diff --git a/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/downgrade.ql b/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/downgrade.ql
new file mode 100644
index 000000000000..bab33cc0962b
--- /dev/null
+++ b/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/downgrade.ql
@@ -0,0 +1,40 @@
+class Element extends @element {
+  string toString() { none() }
+}
+
+predicate removedClass(Element e, string name, Element child) {
+  current_context_isolation_exprs(e, child) and name = "CurrentContextIsolationExpr"
+  or
+  extract_function_isolation_exprs(e, child) and name = "ExtractFunctionIsolationExpr"
+  or
+  (
+    actor_isolation_erasure_exprs(e) and name = "ActorIsolationErasureExpr"
+    or
+    unreachable_exprs(e) and name = "UnreachableExpr"
+  ) and
+  implicit_conversion_exprs(e, child)
+}
+
+query predicate new_unspecified_elements(Element e, string property, string error) {
+  unspecified_elements(e, property, error)
+  or
+  exists(string name |
+    removedClass(e, name, _) and
+    property = "" and
+    error = name + " nodes removed during database downgrade. Please update your CodeQL code."
+  )
+}
+
+query predicate new_unspecified_element_children(Element e, int index, Element child) {
+  unspecified_element_children(e, index, child)
+  or
+  removedClass(e, _, child) and index = 0
+}
+
+query predicate new_implicit_conversion_exprs(Element e, Element child) {
+  implicit_conversion_exprs(e, child) and not removedClass(e, _, _)
+}
+
+query predicate new_expr_types(Element e, Element type) {
+  expr_types(e, type) and not removedClass(e, _, _)
+}
diff --git a/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/old.dbscheme b/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/old.dbscheme
new file mode 100644
index 000000000000..be2357fd0023
--- /dev/null
+++ b/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/old.dbscheme
@@ -0,0 +1,2815 @@
+// generated by codegen/codegen.py, do not edit
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @callable
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @macro_role
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+macro_roles(
+  unique int id: @macro_role,
+  int kind: int ref,
+  int macro_syntax: int ref
+);
+
+#keyset[id, index]
+macro_role_conformances(
+  int id: @macro_role ref,
+  int index: int ref,
+  int conformance: @type_expr_or_none ref
+);
+
+#keyset[id, index]
+macro_role_names(
+  int id: @macro_role ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @macro_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @macro_decl
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+macro_decls(  //dir=decl
+  unique int id: @macro_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+macro_decl_parameters(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int parameter: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+macro_decl_roles(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int role: @macro_role_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @current_context_isolation_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @extract_function_isolation_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @materialize_pack_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+current_context_isolation_exprs(  //dir=expr
+  unique int id: @current_context_isolation_expr,
+  int actor: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+extract_function_isolation_exprs(  //dir=expr
+  unique int id: @extract_function_isolation_expr,
+  int function_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @actor_isolation_erasure_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unreachable_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+materialize_pack_exprs(  //dir=expr
+  unique int id: @materialize_pack_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+actor_isolation_erasure_exprs(  //dir=expr
+  unique int id: @actor_isolation_erasure_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unreachable_exprs(  //dir=expr
+  unique int id: @unreachable_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+#keyset[id]
+pattern_types(  //dir=pattern
+  int id: @pattern ref,
+  int type_: @type_or_none ref
+);
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @discard_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @then_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+discard_stmts(  //dir=stmt
+  unique int id: @discard_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+then_stmts(  //dir=stmt
+  unique int id: @then_stmt,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+for_each_stmt_variables(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@macro_role_or_none =
+  @macro_role
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_expr_or_none =
+  @type_expr
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/swift.dbscheme b/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/swift.dbscheme
new file mode 100644
index 000000000000..33db81ad4b60
--- /dev/null
+++ b/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/swift.dbscheme
@@ -0,0 +1,2793 @@
+// generated by codegen/codegen.py, do not edit
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @callable
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @macro_role
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+macro_roles(
+  unique int id: @macro_role,
+  int kind: int ref,
+  int macro_syntax: int ref
+);
+
+#keyset[id, index]
+macro_role_conformances(
+  int id: @macro_role ref,
+  int index: int ref,
+  int conformance: @type_expr_or_none ref
+);
+
+#keyset[id, index]
+macro_role_names(
+  int id: @macro_role ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @macro_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @macro_decl
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+macro_decls(  //dir=decl
+  unique int id: @macro_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+macro_decl_parameters(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int parameter: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+macro_decl_roles(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int role: @macro_role_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @materialize_pack_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+materialize_pack_exprs(  //dir=expr
+  unique int id: @materialize_pack_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+#keyset[id]
+pattern_types(  //dir=pattern
+  int id: @pattern ref,
+  int type_: @type_or_none ref
+);
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @discard_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @then_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+discard_stmts(  //dir=stmt
+  unique int id: @discard_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+then_stmts(  //dir=stmt
+  unique int id: @then_stmt,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+for_each_stmt_variables(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@macro_role_or_none =
+  @macro_role
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_expr_or_none =
+  @type_expr
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/upgrade.properties b/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/upgrade.properties
new file mode 100644
index 000000000000..60c3adffe850
--- /dev/null
+++ b/swift/downgrades/be2357fd0023261478871eff5df5c57df559aa3b/upgrade.properties
@@ -0,0 +1,11 @@
+description: Remove `ExtracFunctionIsolationExpr`, `CurrentContextIsolationExpr`, `ActorIsolationErasureExpr` and `UnreachableExpr`.
+compatibility: backwards
+
+current_context_isolation_exprs.rel: delete
+extract_function_isolation_exprs.rel: delete
+actor_isolation_erasure_exprs.rel: delete
+unreachable_exprs.rel: delete
+unspecified_elements.rel: run downgrade.ql new_unspecified_elements
+unspecified_element_children.rel: run downgrade.ql new_unspecified_element_children
+implicit_conversion_exprs.rel: run downgrade.ql new_implicit_conversion_exprs
+expr_types.rel: run downgrade.ql new_expr_types
diff --git a/swift/extractor/infra/SwiftTagTraits.h b/swift/extractor/infra/SwiftTagTraits.h
index 7d3a670be6a6..6c7e2309e840 100644
--- a/swift/extractor/infra/SwiftTagTraits.h
+++ b/swift/extractor/infra/SwiftTagTraits.h
@@ -175,8 +175,8 @@ MAP(swift::Expr, ExprTag)
     MAP(swift::LinearFunctionExtractOriginalExpr, LinearFunctionExtractOriginalExprTag)
     MAP(swift::LinearToDifferentiableFunctionExpr, LinearToDifferentiableFunctionExprTag)
     MAP(swift::ABISafeConversionExpr, AbiSafeConversionExprTag)  // different acronym convention
-    MAP(swift::ActorIsolationErasureExpr, void)  // TODO swift 6.0
-    MAP(swift::UnreachableExpr, void)  // TODO swift 6.0
+    MAP(swift::ActorIsolationErasureExpr, ActorIsolationErasureExprTag)
+    MAP(swift::UnreachableExpr, UnreachableExprTag)
   MAP(swift::ExplicitCastExpr, ExplicitCastExprTag)
     MAP(swift::CheckedCastExpr, CheckedCastExprTag)
       MAP(swift::ForcedCheckedCastExpr, ForcedCheckedCastExprTag)
@@ -202,8 +202,8 @@ MAP(swift::Expr, ExprTag)
   MAP(swift::ConsumeExpr, ConsumeExprTag)
   MAP(swift::MaterializePackExpr, MaterializePackExprTag)
   MAP(swift::SingleValueStmtExpr, SingleValueStmtExprTag)
-  MAP(swift::ExtractFunctionIsolationExpr, void)  // TODO swift 6.0
-  MAP(swift::CurrentContextIsolationExpr, void)  // TODO swift 6.0
+  MAP(swift::ExtractFunctionIsolationExpr, ExtractFunctionIsolationExprTag)
+  MAP(swift::CurrentContextIsolationExpr, CurrentContextIsolationExprTag)
 MAP(swift::Decl, DeclTag)
   MAP(swift::ValueDecl, ValueDeclTag)
     MAP(swift::TypeDecl, TypeDeclTag)
@@ -335,7 +335,7 @@ MAP(swift::TypeBase, TypeTag)
   MAP(swift::PackExpansionType, PackExpansionTypeTag)
   MAP(swift::PackElementType, PackElementTypeTag)
   MAP(swift::TypeVariableType, void)  // created during type checking and only used for constraint checking
-  MAP(swift::ErrorUnionType, void)  // TODO swift 6.0
+  MAP(swift::ErrorUnionType, void)  // created during type checking and only used for constraint checking
   MAP(swift::SugarType, SugarTypeTag)
     MAP(swift::ParenType, ParenTypeTag)
     MAP(swift::TypeAliasType, TypeAliasTypeTag)
diff --git a/swift/extractor/translators/ExprTranslator.cpp b/swift/extractor/translators/ExprTranslator.cpp
index 2da23e9c0afb..915d26b33731 100644
--- a/swift/extractor/translators/ExprTranslator.cpp
+++ b/swift/extractor/translators/ExprTranslator.cpp
@@ -671,4 +671,18 @@ codeql::MaterializePackExpr ExprTranslator::translateMaterializePackExpr(
   return entry;
 }
 
+codeql::ExtractFunctionIsolationExpr ExprTranslator::translateExtractFunctionIsolationExpr(
+    const swift::ExtractFunctionIsolationExpr& expr) {
+  auto entry = createExprEntry(expr);
+  entry.function_expr = dispatcher.fetchLabel(expr.getFunctionExpr());
+  return entry;
+}
+
+codeql::CurrentContextIsolationExpr ExprTranslator::translateCurrentContextIsolationExpr(
+    const swift::CurrentContextIsolationExpr& expr) {
+  auto entry = createExprEntry(expr);
+  entry.actor = dispatcher.fetchLabel(expr.getActor());
+  return entry;
+}
+
 }  // namespace codeql
diff --git a/swift/extractor/translators/ExprTranslator.h b/swift/extractor/translators/ExprTranslator.h
index 5dec909b1b23..ff3db137b3bc 100644
--- a/swift/extractor/translators/ExprTranslator.h
+++ b/swift/extractor/translators/ExprTranslator.h
@@ -125,6 +125,10 @@ class ExprTranslator : public AstTranslatorBase<ExprTranslator> {
   codeql::CopyExpr translateCopyExpr(const swift::CopyExpr& expr);
   codeql::ConsumeExpr translateConsumeExpr(const swift::ConsumeExpr& expr);
   codeql::MaterializePackExpr translateMaterializePackExpr(const swift::MaterializePackExpr& expr);
+  codeql::ExtractFunctionIsolationExpr translateExtractFunctionIsolationExpr(
+      const swift::ExtractFunctionIsolationExpr& expr);
+  codeql::CurrentContextIsolationExpr translateCurrentContextIsolationExpr(
+      const swift::CurrentContextIsolationExpr& expr);
 
  private:
   void fillClosureExpr(const swift::AbstractClosureExpr& expr, codeql::ClosureExpr& entry);
diff --git a/swift/ql/.generated.list b/swift/ql/.generated.list
index 32734851515c..61bc11662f52 100644
--- a/swift/ql/.generated.list
+++ b/swift/ql/.generated.list
@@ -111,6 +111,7 @@ lib/codeql/swift/elements/decl/internal/SubscriptDeclConstructor.qll 67882596f38
 lib/codeql/swift/elements/decl/internal/TopLevelCodeDeclConstructor.qll 3924b6e5bee007fd62ae4b2352e38ae20292dbdab65fd1724ca9cd698bfc88f4 28ac8627c75cd787e6dca1a8bfed4c36edbfd13cdad19a08905a49d56b815ad7
 lib/codeql/swift/elements/decl/internal/TypeAliasDeclConstructor.qll 1dc3d7ef11adf5fb9b4be1c824b8a49393137071584ed44224a2f47b3a0b8a4a 2e1e8222b851376b0d7843a93fb6affeac7f8ee52867623b1e2fa99c1ac37dbb
 lib/codeql/swift/elements/expr/AbiSafeConversionExpr.qll 62c6b231898c42a7756cae20ed9b3818958872cb581cca6f1db0b28e4cff9b93 b90f7496229e76a40ac66e8a3d0ac2f14c65d729ebeea796cb34f395f2858b32
+lib/codeql/swift/elements/expr/ActorIsolationErasureExpr.qll bbbc615255877e7fd95199710449fa696d68d81a4cfb985240d0cfbf124d9d37 526e7b4f2b5af5f2c8172b5d2c76c1f7198025e02c9e1068f92fa6c78cddeb81
 lib/codeql/swift/elements/expr/AnyHashableErasureExpr.qll 3388c1ad2c9d984fb0a0368ef9090f03cc5bbd63088024308a056cabfb9c93c9 49e3450180b8a4626911fc83bd64d17e486fad6b50f33b55b9322faef1ced39f
 lib/codeql/swift/elements/expr/AnyTryExpr.qll 1edad5f25c3e36412e4d93b3a5f6d1886670c353837c7bd9477351136ea4d743 58f5a8d11b5b5aea41cc5c513e2f594bc418e979f27aa0a44ddc3340aba50f95
 lib/codeql/swift/elements/expr/AppliedPropertyWrapperExpr.qll 83c08f24e715393c8e9a9434ab53556f38965a750ee1c8b145df03435e8bf41c ad70842a93f26d70b1a9400039c4446b75302a3005e3b44905cefd44c57c46af
@@ -143,6 +144,7 @@ lib/codeql/swift/elements/expr/ConsumeExpr.qll cf1551b82e4dd28555778f4092a90f917
 lib/codeql/swift/elements/expr/CopyExpr.qll ff680438de3b2105d4fd69f48879eaa954436e63809b045f766d50454436f88a 1e0781d35da6d31bdd66110e3ce4d5dce46cf7b9e4b285ed5f544c8d40945639
 lib/codeql/swift/elements/expr/CovariantFunctionConversionExpr.qll 4acc70bae3a6d31798a505be6604e1bee00770b7d385ea44550d4c0e5db35477 d6f852d2d11a78ea7c188379ad474db8d77494e3a3621dca1b7d963e083374d3
 lib/codeql/swift/elements/expr/CovariantReturnConversionExpr.qll d6856a3986eb1421c0676d046432657a52e4c77775fd7c437090cfa8ade3ee29 b8229608a404e5f310a329568a26994eca0361f0653aefdb495351fbefaa5a97
+lib/codeql/swift/elements/expr/CurrentContextIsolationExpr.qll 1500722bc7ae42c524d1b1cf578befcea69bea5c7a24280af07c911dbdb31e8c 567366f4d3642e183dff1d8bfad3bea433fd6ea37b841faaaa25c21ca0654289
 lib/codeql/swift/elements/expr/DeclRefExpr.qll 4d7eb8f70aa18d35cde805a310b836d702c8c9da55e9676f8db3338dc57e8034 c6136ccf37e8128640d9df423713b7646309e51c3eda5c6d2807fdb0cc0733e2
 lib/codeql/swift/elements/expr/DefaultArgumentExpr.qll d655cc4c69db37dc20c477e72df9bb53e18dcc65ffefe61a1bca1854bc006210 a8af422bfdcf56ac37a322d707252ed34b08acf58608065ff3bd214137583b13
 lib/codeql/swift/elements/expr/DerivedToBaseExpr.qll d42b72fe5c4a36830c9c7b6c929992fb18dabeedda448159822770256593f274 fc6240a71dbd554f8bcc86c2ad0b05f2112578223e9a180beeb0223bf9cc76be
@@ -164,6 +166,7 @@ lib/codeql/swift/elements/expr/ExistentialMetatypeToObjectExpr.qll d594531b0f9ce
 lib/codeql/swift/elements/expr/ExplicitCastExpr.qll 2298ed1952b7d6454d6da53f79a5460987fea4c30317187799fd425d0a013e4f bc4007c1521fbaa9811d6a893a2eea9901f3b1bff2e89a201d416c067e5b2e32
 lib/codeql/swift/elements/expr/ExplicitClosureExpr.qll bdfa54ebd6bf8bb872cad5a04f57a78c63f9a92ab282d845bf654a45da0cad97 1071c526a7d263151ce9de155d43245dddce33d168b6520f49c96908e91fb256
 lib/codeql/swift/elements/expr/Expr.qll ae02fbaaf676b1418a047da363a4a61174ba5aba08b229b4f6ba5b3fb96c1edd ff9c4d4d274cceeb178d85a469791833b60a89b06dc4df4678932d6ea7a799ee
+lib/codeql/swift/elements/expr/ExtractFunctionIsolationExpr.qll 3b557d7e0c8d340e30ff22b22a1f7eb5a7ccb3e278835f1968627c5174cb530a dc25ac7455be2c622e588855a572c49b31e3cdf8900fc83ee79ff40a5e1c4687
 lib/codeql/swift/elements/expr/FloatLiteralExpr.qll f80be9eea21297f891761284da66c690706b188aadf824641a27446c1b914789 5c6a0ea847a688a33acb6e12713b9d9f33218148e6a51e80b57b3e0e4543ffae
 lib/codeql/swift/elements/expr/ForceTryExpr.qll 087b6e8ee24d6956cd63adf3e82d89e37d0482c7ba19c2b69af557d1962fdd62 233e166748af3d0f1efb265cd6b15c9960df841fabd6a8eb54744b53d897b35f
 lib/codeql/swift/elements/expr/ForceValueExpr.qll 397cfd523b3791684482c55a130629d10fd3d993ffe21e8e2d6e7b0295881e54 4a3ecd15296c661d9ebcccaa75f742fdb10056614e0f0ac6085571951b580d6a
@@ -229,6 +232,7 @@ lib/codeql/swift/elements/expr/TupleExpr.qll 11efe0f2737b561a392bbd684c7c1cc2e29
 lib/codeql/swift/elements/expr/TypeExpr.qll c3f7272b77aadd8a4a0e5c7e3876bba6bba45343415c8ce96de26e1e898d11c0 91cd440b768e4d9aa60a165ddb62ecdcad85eb4a676ab0d60ca8777e753bffc7
 lib/codeql/swift/elements/expr/UnderlyingToOpaqueExpr.qll f319daff97d13a5cacf2efcd1f2b77e58ec9b9a30413ddb30cc0333197cbef9f 9c6a97a66a452a6167b26f48b0f31a42e2c528fcd30e76c9f4dd146f6609b5d3
 lib/codeql/swift/elements/expr/UnevaluatedInstanceExpr.qll 7eca15f753e81d99a275ca1d29986d5209d8ffea4034746945227fedc1b74c38 714c9a7a09f525187f53a4c9599a141a32ec6071c405c2a425dc2cfb6f2457e6
+lib/codeql/swift/elements/expr/UnreachableExpr.qll 930822d66d99422603725161f55fec7b861ef33aa8fe57afbdbea2a68a764fcb e8005f5ac66a97e614f3792e8053b0fb6d6bb1f99bc1d0f7d0d0b41e703efe9c
 lib/codeql/swift/elements/expr/UnresolvedDeclRefExpr.qll 356dacb2b2ece20366a2d4b809210aeedcec31b8362a204854a77a192a01c0e1 7705b39752be30ab6bff12ccc690ed3b0fd843978721558e18f5f57e65f1f688
 lib/codeql/swift/elements/expr/UnresolvedDotExpr.qll 97c05188380cb890049db519d70168c3ca69c356fd15efd1ec52555519518a68 01455fb6e2c57941b209d844b65a0e6778d2d8d3db6081fb96c375c528574c41
 lib/codeql/swift/elements/expr/UnresolvedMemberChainResultExpr.qll 2a5747bdd60c30b9b32552ef48a1ba94bfa4c593896d7e1ba1992403680d10af c92cfd85209a0314b99a2f8549c73eb878ab251453330298da72aa9d2208e7ac
@@ -239,6 +243,8 @@ lib/codeql/swift/elements/expr/UnresolvedTypeConversionExpr.qll e259a187d70ea6b6
 lib/codeql/swift/elements/expr/VarargExpansionExpr.qll c7d7574caaac88fd73e69e82a84ca924e078eece0fd85a476b4a831e23b425f9 27213c88f864b7f8fd73edf8951e04a5ae7a57140a387df7c03dc1544ced723b
 lib/codeql/swift/elements/expr/internal/AbiSafeConversionExprConstructor.qll de9d2daf68b754e783374d017116606c8cd0710dbf8989d3606939e977dc672c 63c5ddb9da56da2c9637d7a0a6d9d069f745b4c095b07c9494a0b3a7e11be95b
 lib/codeql/swift/elements/expr/internal/AbiSafeConversionExprImpl.qll 6b2c51a5a5dd17044c6f5510048a9a2187aac9d35a70541faa9400406e35bc1e 448c23eec2ef44bd90e6c1636e3e881ca3447198eb68b8261412f42c4995b766
+lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprConstructor.qll da71e5e88434f620484b792075c4966758721b46a20834c296ae77be587a8952 aafac69f37c3fd8b7d0973ca616bba30833b00d64639c3d6b7fb2e86d212406d
+lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprImpl.qll e9b2498761c33cd765566978dbb789637e04549bdb967a1948cb6518435bfa7b 3d7b115e8d40fe1ab1fe7375493d991e51b4689b8565dde4beb6181ce7ea44ba
 lib/codeql/swift/elements/expr/internal/AnyHashableErasureExprConstructor.qll a1a1b5b5cb85202756826d5858b336fa2c06859020084695f6182dff999993ed bc9aab20cb809516512ddca305e2d107c2b2d2f5850620fe53af021145bde247
 lib/codeql/swift/elements/expr/internal/AnyHashableErasureExprImpl.qll c1a0516ad5176f00347f7a5187f3c521746066235eb3f3bdd6f1ec068180d9f1 cb0d36379fff2483e30e54e75d8b63dc92669e8a129c8fcb24495cfad6456cfc
 lib/codeql/swift/elements/expr/internal/AnyTryExprImpl.qll 8225177728e36e4cdab514d060052b7174e99146ddfeb1a0cacbaab5bcd7f7a4 074ee2100466303ee268fbe50a3c4d4f93d920b24e17e1a2c60c9f7d3e7b46c2
@@ -284,6 +290,8 @@ lib/codeql/swift/elements/expr/internal/CovariantFunctionConversionExprConstruct
 lib/codeql/swift/elements/expr/internal/CovariantFunctionConversionExprImpl.qll 499b77c2820d42739843665a7574e47e630d3afd125cb4cbb4952d7fe6fde867 fe7d197f25786e329235756a85a90faec82273e097896224bd64f8fb4a804bd9
 lib/codeql/swift/elements/expr/internal/CovariantReturnConversionExprConstructor.qll 5328580363441c1d76c8ba2654448207f581bc9af4b612b78c2522dceb1accea 687f9b1a9c57f0364893df2812472de0d32e5faed37d34ca429fcea2f9fa2857
 lib/codeql/swift/elements/expr/internal/CovariantReturnConversionExprImpl.qll 750189e344195f715d09e93e772d5cf3a611a6d1895b7e4a88db4abfe0a5dc8a 8f646de70cb489f46bcc295e4b4a3bd7b8f03e3691c444c1f80b34453b65274c
+lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprConstructor.qll 153c80058a025e57375acb36938a44aa0b959772e2864e83e4fb48e9aacf63d2 bea25c65c5a16be09765ab7fe9db37190c18f778878a16cbec92c47f9d25159d
+lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprImpl.qll 56b1efc50878f99474c7e5dc5525d7ba98f857112b5fe29926feb2f112d4416c efde63d7e72635f8027b04990eb40bf494fc14215e6ab08316c73b6caa0e49fb
 lib/codeql/swift/elements/expr/internal/DeclRefExprConstructor.qll 70bd400520a0c5f29494c320184468d36075cf24feb1f6393fc430b47a2cd336 0d3419d85b0a62cc3c8f0f0cb3a4e9a09d250f2e8b99fb11b96e18f584f817a7
 lib/codeql/swift/elements/expr/internal/DefaultArgumentExprConstructor.qll 31f4def20cb3b60b48eae9b24022f853dc490c2282368fbd8f89e2c689963f86 45dd0dc08a1c4729178b80c4027ad98cba5258ea31e11f0936a8fa9bde8d3b3b
 lib/codeql/swift/elements/expr/internal/DerivedToBaseExprConstructor.qll d258b88fff4f115e9b4c7ef4cb26623787732cf0d7cf9b59da273d8ebcdb9460 a0a3615be242c3b52624423d685bea3b1f57ebedb2dba51059acc33e2da49844
@@ -311,6 +319,8 @@ lib/codeql/swift/elements/expr/internal/ErrorExprImpl.qll 819ddf5500b362c2b48ae9
 lib/codeql/swift/elements/expr/internal/ExistentialMetatypeToObjectExprConstructor.qll 338043a69b96c85913ac5ae02efb7fa363bb97ef33f1caab4253f1146f4a0e2b 0e66776ca92ebc6ab5b3cbc2b4e7fca382436279dacd5bf9f742b6e0c2150ab0
 lib/codeql/swift/elements/expr/internal/ExistentialMetatypeToObjectExprImpl.qll 50104bc5721fbd13e1b22639b1a8e1114c0691297c808926c73f5257e55fd4f6 38b634dc13cdbabe0f7195e2a399c7370522b7fc8a56a3a9c53e8928b0742100
 lib/codeql/swift/elements/expr/internal/ExplicitClosureExprConstructor.qll fe430a5f87fdb10a4354f699437150bda543ae7b2d09879e50c0498239417a4b f8ea635fe9ab01d48a52f135079a34689a648a4c279bddaf8def56ed014868b7
+lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprConstructor.qll 5f940fa3982695f409225cc81dd89140aa35d396ba93ae88a370167e3e1ebdc2 b6c3085b5d7fed62660b57578537fb9ad7bde1a564b832e1eee7845a813e76be
+lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprImpl.qll edaad600821c5534b3b2c1a642c9d36b2c1ac406d97334ab7c1e4d934f188614 02e36137fcd5b64d1a89950a01ed129dc28034cf64310d333c06bc581ac9472e
 lib/codeql/swift/elements/expr/internal/FloatLiteralExprConstructor.qll b6a507af69777dc3e333e1346a3f93b4398551608f6789de562c2b57f1f5bb67 fe2eb2aacb3d4c3d2fa5476199512d5e1ce6aca6d2605dc94445e127ee2f3b08
 lib/codeql/swift/elements/expr/internal/ForceTryExprConstructor.qll 159e084ab5e6fdbcd45b0ec0d4915121e8f425d764e8787df053e8a0b8fb6137 ebd9c1eb6c5029eef2ee6bb307e15f1eaf2e5db1fa97565cd04386b584b56674
 lib/codeql/swift/elements/expr/internal/ForceValueExprConstructor.qll 1c85f4d1d06f46f8c992ca13e32de8bc2c682d04a550ccec026ea301307ce2ef a89cf5fdd2063318244d42e73ddbe0e235bd76dcf35e54ace58f098d217e94d7
@@ -401,6 +411,8 @@ lib/codeql/swift/elements/expr/internal/UnderlyingToOpaqueExprConstructor.qll 8b
 lib/codeql/swift/elements/expr/internal/UnderlyingToOpaqueExprImpl.qll cf2637b44a96fce2d8e618469692305181490a28f3b2698b6f9db2d58e7c474d 9b062defb7c19e217bea6e5bd65ccf28e1ff25fb1e784405eb92406806a3349c
 lib/codeql/swift/elements/expr/internal/UnevaluatedInstanceExprConstructor.qll 4560f4737cb47512b8348fd2a37599227df4a05bfad84873f6666d121a524e0a b49bfdfa550330bab087c5a6b7a3885fd22360e557adf984ce7a35534d882510
 lib/codeql/swift/elements/expr/internal/UnevaluatedInstanceExprImpl.qll 35107b79b01c1304167ce211e081991a2a8e05e9831da7d6523363d59a9dbb7a bc4811a0b40380b1a065f64dbd4b4f756e80cb11ee3b5c4f6ce035c5629db852
+lib/codeql/swift/elements/expr/internal/UnreachableExprConstructor.qll 53ff660f143f073f2675c37e2a471b79b82864051a3f5305faf33cd642904d3e 35d37b022f6c6f0b1d6483a2698c2e08f0bd545fd573edbf642815ad7d34bafd
+lib/codeql/swift/elements/expr/internal/UnreachableExprImpl.qll 3c305339fb8eef3b521638164290d630fc166106006a634c7ccec2198a4cb035 7ff8f246f567689305a44b04e990f31cb696ad2533dbb8c40f1cf82e3e8100ff
 lib/codeql/swift/elements/expr/internal/UnresolvedDeclRefExprConstructor.qll 344072439e0d95d1148d361ff764c17eaa47e5c0be82a3320cd9ab3868ac415f 25553a602da130b30e69ae9844e9be9da73ee579ba74c3bb84a9aa8e24801b46
 lib/codeql/swift/elements/expr/internal/UnresolvedDotExprConstructor.qll 2945ae07a65a7262e97cb28d35b9c3a9dfee662f2af54a8d9aba5f0c49216190 297485aa44da7ce69c7e33bc3ffde66bee79615fa947159b76e6ed73d1886b25
 lib/codeql/swift/elements/expr/internal/UnresolvedMemberChainResultExprConstructor.qll 1086b09aa950efd4e8ed1ce4723f6a6e6b43bbc147085375f589654f2dc04008 8adf6b2f415b69b8eb235c7e76eb5f0e5320939a0904d0b6823b28293eaa3b57
@@ -692,7 +704,7 @@ lib/codeql/swift/elements/type/internal/UnresolvedTypeImpl.qll ee1499dd568753898
 lib/codeql/swift/elements/type/internal/VariadicSequenceTypeConstructor.qll fc74a5a2a2effa28ef24509b20ee4373d97cf6e8c71840121bb031c6adedf584 c9b2effc1d01c13c5e6a74a111122fa79a2f6554dda3cb016d68ba397e566ec4
 lib/codeql/swift/elements/type/internal/WeakStorageTypeConstructor.qll 5fdce3716aba6318522174a2c455a63480970222ae81c732fb19c6dd3ae2d271 60ea79d6943e129deba0deccb566cf9d73f78398b0f7f0212674d91287d6b2ae
 lib/codeql/swift/elements/type/internal/WeakStorageTypeImpl.qll 74f79b458f3204ec2519bd654de21bc4fb6b76816bd8ca01990fe897563a1383 34e1810f74cecda5b580ed050438ae1d914b97a36b8f4e2de1c25254c0cac633
-lib/codeql/swift/elements.qll 8a9719dd149f539a01c4c8cbe93a15f221cc1dee388a500adada8facd6a92f57 8a9719dd149f539a01c4c8cbe93a15f221cc1dee388a500adada8facd6a92f57
+lib/codeql/swift/elements.qll 9648ab501b413dc327513d9ed1d6e620a9eab6096e1130dc7e78cd6a2b6b549b 9648ab501b413dc327513d9ed1d6e620a9eab6096e1130dc7e78cd6a2b6b549b
 lib/codeql/swift/generated/AstNode.qll 6fb80e9b230a1e3ae8193af40744f253d5cc81dc4239156924e5ab606c491efc e5c28418e9a38bde08f323a3986a199620189fc4a8a4dc8f670610a5d3d65b99
 lib/codeql/swift/generated/AvailabilityInfo.qll e3a5274c43e72ff124b6988fd8be0c83a41b89337e11104150dd0ca7f51d8a11 889563791ca8d9758dbbccf64a0731c4bdbf721cad32bc6cd723f1072b6aa1de
 lib/codeql/swift/generated/AvailabilitySpec.qll bc64d5c690c4d18800f0a48cc76a6a9ee4f832041343666da2d8df2aae04ed7e d03bf874293ac0ab09c025f75c0f392473d47bebe3223143adcc13882a366119
@@ -709,12 +721,12 @@ lib/codeql/swift/generated/Locatable.qll 1d37fa20de71c0b9986bfd7a7c0cb82ab7bf3fd
 lib/codeql/swift/generated/Location.qll 5e20316c3e480ddfe632b7e88e016c19f10a67df1f6ae9c8f128755a6907d6f5 5a0af2d070bcb2ed53d6d0282bf9c60dc64c2dce89c21fdd485e9c7893c1c8fa
 lib/codeql/swift/generated/MacroRole.qll 0d8fa6b0b6e2045d9097a87d53888cae2ea5371b2fa7d140341cf206f575b556 ea3b8a7c0a88851809f9a5a5aa80b0d2da3c4779bb29044cdba2b60246a2722c
 lib/codeql/swift/generated/OtherAvailabilitySpec.qll d9feaa2a71acff3184ca389045b0a49d09156210df0e034923d715b432ad594b 046737621a8bcf69bf805afb0cff476bd15259f12f0d77fce3206dd01b31518f
-lib/codeql/swift/generated/ParentChild.qll bafa2e366c0df25d6c26c4e2e2b84f3e363524d7abcf0f6e31e42879f2bc664a 616160f5664f77346992c2ac39e3229abdf186fe707066d4895ceddd148749a9
+lib/codeql/swift/generated/ParentChild.qll 7c9537f74a4c5a02622ce28c3de4b0ce02a7027d2e9aea9a860ece6a1e2ec340 49c1993b2a96df66903bffde78d63d8f4c68b2d604c419b20d88b63406366156
 lib/codeql/swift/generated/PlatformVersionAvailabilitySpec.qll dc17b49a90a18a8f7607adf2433bc8f0c194fa3e803aa3822f809d4d4fbd6793 be48ea9f8ae17354c8508aaed24337a9e57ce01f288fece3dcecd99776cabcec
 lib/codeql/swift/generated/PureSynthConstructors.qll bc31a6c4d142fa3fbdcae69d5ba6f1cec00eb9ad92b46c8d7b91ebfa7ef6c1f4 bc31a6c4d142fa3fbdcae69d5ba6f1cec00eb9ad92b46c8d7b91ebfa7ef6c1f4
-lib/codeql/swift/generated/Raw.qll 4f2ddadd2ced9728aaf4595ccf85cd147468d7ad0a57a21a6cbfd04e3834b386 9653595693da55953d7743fbecce33d16910e3b6737c654311f1e34d27ad7f0b
-lib/codeql/swift/generated/Synth.qll 31e318c6e156848c85a2a2664695b48b5e93c57c9bb22fa29d027069907b3ab0 8655ffcf772f55284b93f1d7f8e1b3d497a9744d5f2e0c17bc322c1fdf8bdba8
-lib/codeql/swift/generated/SynthConstructors.qll 3e53c7853096020219c01dae85681fe80b34938d198a0ff359a209dda41c5ed7 3e53c7853096020219c01dae85681fe80b34938d198a0ff359a209dda41c5ed7
+lib/codeql/swift/generated/Raw.qll 522f8500ce46d62fca22730ade5fa4716452adece25ffc36c50582b653f2fe6f 4d870e0695fff541c1a14eadc8ba51960a264ba2e6e53d0ccc32b34c7fd2cadd
+lib/codeql/swift/generated/Synth.qll a14dddab40979df82d30b2d73407fe0058a803ed6e1a882cd9a6ae5ffd240526 0879d2476a42123b46eee216d4ea03523e0c04fe0b68d9a68e0046253edb1bc9
+lib/codeql/swift/generated/SynthConstructors.qll f64121911e082aa15478eb8779025cee96e97503724c02aff31741e65a894a4b f64121911e082aa15478eb8779025cee96e97503724c02aff31741e65a894a4b
 lib/codeql/swift/generated/UnknownFile.qll 247ddf2ebb49ce5ed4bf7bf91a969ddff37de6c78d43d8affccaf7eb586e06f2 452b29f0465ef45e978ef8b647b75e5a2a1e53f2a568fc003bc8f52f73b3fa4d
 lib/codeql/swift/generated/UnknownLocation.qll d871000b4f53ffca4f67ea23ca5626e5dcce125d62a4d4b9969e08cc974af6fc b05971d7774e60790362fb810fb7086314f40a2de747b8cb1bc823ec6494a4dd
 lib/codeql/swift/generated/UnspecifiedElement.qll d9ad4ba1ffff90cc465e8ba0dea8c4e8ba67dce5529b53b63ab6dc8e13c85e67 025218e1fee8ee382b63ad38009dfec73dc604d2ba80b9ad956c7c96eeed7022
@@ -762,6 +774,7 @@ lib/codeql/swift/generated/decl/TypeDecl.qll 92f74709cce7e9f0f713598d3b20b730475
 lib/codeql/swift/generated/decl/ValueDecl.qll d3b9c241fd6cb1ce8274435c0242775c28c08f6a47caae01ad1ecd38897b2cd5 bc81291b1394b47972d7b75b6a767ed847f881932a7d9345d28d161a55b66bd1
 lib/codeql/swift/generated/decl/VarDecl.qll 8978a73fa2d7a9f952b68a2638788eda857e62502311a33fa6de1dad49a6cb1c b8b6c8cf6773056c3a90494754b0a257dcae494c03d933f138ece7f531fb9158
 lib/codeql/swift/generated/expr/AbiSafeConversionExpr.qll 9d8f0f895a5e1abb89bed9671a9b398e48eca4664eb10b4b41263eb2a29bb2cf 4f65b8e62876664a357433f886baccaf40e4bf7e9ca7eebeb9f5d999354578f9
+lib/codeql/swift/generated/expr/ActorIsolationErasureExpr.qll 0ebade7950363d63a3d0e86877174e763522ba5119253ec6b9dbf6506ab7ab6d a5a94ef22d198b7325c8dda3ca380c600f4f0147534fc1b12e57fd19e4e63961
 lib/codeql/swift/generated/expr/AnyHashableErasureExpr.qll e9040afb7bf3d2d79fe931aa98f565bf1b8ad4ba56a9f2ee579e61afa7c50719 1e6e4fa2519522a117b7ca05c060f060376974a4148cbad38bb238ac432509c6
 lib/codeql/swift/generated/expr/AnyTryExpr.qll 32b5df81d686959183af42c0ba30976360f3062bd6279b88d8578ac010740b24 b8a78d4e06d7160b83b31bbd033e4697f607bd6ea294f2e0dbbe96a0c665014d
 lib/codeql/swift/generated/expr/AppliedPropertyWrapperExpr.qll a272cddf6e161406a886a779939a88b4536eace5579ac6930f1b5f7c234c6525 1c93e30d1850fb3be09cc250f4e645b8c36878c7ea3d028bc06a3255f764605d
@@ -794,6 +807,7 @@ lib/codeql/swift/generated/expr/ConsumeExpr.qll 86c90b17fb5fded8852088703418132f
 lib/codeql/swift/generated/expr/CopyExpr.qll 026c323ebb0ac57814041a73b6c5933501902f744f6d2e971dbc2b39bb987be3 be20d88f5d6f8771a1d0d0af6316ccfd51994dcfaee2a2ee47cb7ef132f8e6b7
 lib/codeql/swift/generated/expr/CovariantFunctionConversionExpr.qll 53f906b1ff6c3994829881098d070a92df2ee86242f7636401acfa4c8a0a1e9c 98a5f7949f02f5fc2aee38e2eed2feef677b6f2daa2d244fe790baca347a9db3
 lib/codeql/swift/generated/expr/CovariantReturnConversionExpr.qll 68bf0f1a97f6a1bd2a99c60fa09d930cbd427679bbe0f41ae4394b1ad4ba126d c1063eb981345c73b871292218b40308ee5c12babc80b5d63b337eb67628d7a9
+lib/codeql/swift/generated/expr/CurrentContextIsolationExpr.qll d5d82951e4aff875c5229daec9f18a3261fb236e326234eadccd7ee5c87a83e0 c76f2fa71e422cbe2dfa39588d1dcaa4e50266fc3102a446fb76386f198601ee
 lib/codeql/swift/generated/expr/DeclRefExpr.qll 9a696dc79181a2ebe76e2ad47edc27baac49a9c8ed38e164e5c8c61a81c23865 adcde2929271268d08550848d8c04911aec790af10609e387ea07e80bee0de6f
 lib/codeql/swift/generated/expr/DefaultArgumentExpr.qll a9bd89e69f35b04932a89be8099cdb0a4ce65df579d3b88d4cf6f5c328b9f327 16d22db992c2fae4abec569e10be32526883610eea7f90f19c73297168fa63fb
 lib/codeql/swift/generated/expr/DerivedToBaseExpr.qll 2b744875e4d12988992222cec5e5c16d65b98dca45a375c436ac5811dff4c19f 536407ce6e380d80bf8fd9d16498a773fba828cf7fa2d43f88a7ec38312f953f
@@ -816,6 +830,7 @@ lib/codeql/swift/generated/expr/ExistentialMetatypeToObjectExpr.qll f6eb63b5887d
 lib/codeql/swift/generated/expr/ExplicitCastExpr.qll 2830522bd17122c26a2392405b2c160ff29ebe8cb0aa8d21498a2b0f05ce9858 bc96f19c0bcb36e78c7f7c48c7d01dbdefaa20564a020e7baf2fc9d8abe734c2
 lib/codeql/swift/generated/expr/ExplicitClosureExpr.qll e6fa08fad995b2cafb9d76482cc836e6a0fa24d1e055e848bf2df5acedd12a94 79730347c91ab01c480116c7feba97dafafc030c910e6664519fbc122201cf5b
 lib/codeql/swift/generated/expr/Expr.qll 29581d27469f6abd06bb1c29cce142e8287f3a6eb7cb251fd14e832e6a6a4e6a 957d3f470d91e757b2921af49651b7c1a1eb111e74ff9ea12577d5df38714c64
+lib/codeql/swift/generated/expr/ExtractFunctionIsolationExpr.qll 87e5b3d76a64297787c4e9c63e5278f75f94df64acf6dce2cd12af52f071b90b 185ff557ef4f3efaccc696705282df74dda577063197cc8bc20bc8968993a1ff
 lib/codeql/swift/generated/expr/FloatLiteralExpr.qll fb226de33de8ede0c3048aa5735f83feafa912d165a793e06e50d0d87165989c 0fb88029e576f444a9623b49294a5fb713bb0f38850e136378107dafcefb98a2
 lib/codeql/swift/generated/expr/ForceTryExpr.qll da482d8440c5245dd4ea347e0d6c14cfb455f426055bb4e4c23cacae511a3a52 9c2ec46370708434337802dc62a07f24382cb3ea4499eafcf45ba8b503cbebf9
 lib/codeql/swift/generated/expr/ForceValueExpr.qll 3660da045afe79bf7815519134278851a8852ca4a159cf54a2d4f2d413864471 4e7416dc69fb917f6cd304d992a6d0e4e7cd1b4ce16201c86cf3a53a58892635
@@ -883,6 +898,7 @@ lib/codeql/swift/generated/expr/TupleExpr.qll 860dde65c440ffa74648c663126194182c
 lib/codeql/swift/generated/expr/TypeExpr.qll 1f38f463b11b9f10878dab7266f05f455a0802e6d7464d81d4c05855d41adc64 b3c3f6b61b466be86a8cc0cea18d85b7a23b1f8dcf876ef2a050ef69778df32b
 lib/codeql/swift/generated/expr/UnderlyingToOpaqueExpr.qll 3d68175d73056e6f5afea5040ad2f9a8447adf078c490bb06769008857ee2ca7 f0ec8f0bf7271289b8be32038e60c2b1053d6563354c8bced53a42fef6292152
 lib/codeql/swift/generated/expr/UnevaluatedInstanceExpr.qll bac438970bc12eef2ace318b97d37ef58ab7a9c2c43c3f4515780f65cdc5de70 11810cdd753c744f3ee274fce889d272c3c94b6087c124cdd09e99188eb3f926
+lib/codeql/swift/generated/expr/UnreachableExpr.qll ab17ea1f01eb1b22b1012b57582b170936244c98f42374e0e21b9d468db9249c 93a2a3685a9f8d4eab06cf700bc6465915e29b49249a14fe6aa68d1af96c86ca
 lib/codeql/swift/generated/expr/UnresolvedDeclRefExpr.qll b6a72b3052829ac56f16b72baa7fc62926e8dde781ab9fa29b2cb7d87b5e287d df8fe19e9487c3ae83a19f38d98fd365add5b010ccab2f8699e4a2b841bb00a0
 lib/codeql/swift/generated/expr/UnresolvedDotExpr.qll 78a6d4cf27b3b6012b9880cae52604c49e7300d1b02e9f7a9157705078423d7a 79ca200646616ddb17fb72112469985b18718cba676e3bd94d8bcb234627ea93
 lib/codeql/swift/generated/expr/UnresolvedMemberChainResultExpr.qll 8277a5c54c868441217beab4b5f7f4bb937098611ce1e1fb098ad39f17660970 15996c1c571579db3e2ea861fa850294d916dde6ba437cabc6f18d18bcc6b785
@@ -1144,6 +1160,8 @@ test/extractor-tests/generated/expr/DynamicTypeExpr/MISSING_SOURCE.txt 35fb32ea5
 test/extractor-tests/generated/expr/EnumIsCaseExpr/EnumIsCaseExpr.ql 426837e6acd80fd5c4f79f756919c99df132f6666aae9d07274c4b95711123bd 451393b79359a46070db84d8d35ad3c7f14cc20eddd3df2a70126575d2200297
 test/extractor-tests/generated/expr/EnumIsCaseExpr/EnumIsCaseExpr_getType.ql 9deff1a2a2271c2dbe44b2aeef42f9adadd73b0e09eb6d71c68ac5bd8d315447 bdc07aec1fa2ced3f8b4c2dcede0354b8943488acf13e559f882f01161172318
 test/extractor-tests/generated/expr/ExplicitClosureExpr/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
+test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr.ql 7c4666a86e962726a505e76c57196483c6eb5259463a1cbdb6239f5ccbb33a13 2b5acd61e85a46b1c565104ba6f58b58813ffeba3548dacd776f72db552d5d65
+test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr_getType.ql 487c727c721ff925861b265d9a4f78029f04dba3b94e064529d89c7ee55ac343 3bfdadc09b8672b9030f43c2f0cab6395af803e79ddc17089c43c3da93d69979
 test/extractor-tests/generated/expr/FloatLiteralExpr/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
 test/extractor-tests/generated/expr/ForceTryExpr/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
 test/extractor-tests/generated/expr/ForceValueExpr/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
diff --git a/swift/ql/.gitattributes b/swift/ql/.gitattributes
index ab478ec526b5..32c1865ff305 100644
--- a/swift/ql/.gitattributes
+++ b/swift/ql/.gitattributes
@@ -113,6 +113,7 @@
 /lib/codeql/swift/elements/decl/internal/TopLevelCodeDeclConstructor.qll linguist-generated
 /lib/codeql/swift/elements/decl/internal/TypeAliasDeclConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/AbiSafeConversionExpr.qll linguist-generated
+/lib/codeql/swift/elements/expr/ActorIsolationErasureExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/AnyHashableErasureExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/AnyTryExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/AppliedPropertyWrapperExpr.qll linguist-generated
@@ -145,6 +146,7 @@
 /lib/codeql/swift/elements/expr/CopyExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/CovariantFunctionConversionExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/CovariantReturnConversionExpr.qll linguist-generated
+/lib/codeql/swift/elements/expr/CurrentContextIsolationExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/DeclRefExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/DefaultArgumentExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/DerivedToBaseExpr.qll linguist-generated
@@ -166,6 +168,7 @@
 /lib/codeql/swift/elements/expr/ExplicitCastExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/ExplicitClosureExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/Expr.qll linguist-generated
+/lib/codeql/swift/elements/expr/ExtractFunctionIsolationExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/FloatLiteralExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/ForceTryExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/ForceValueExpr.qll linguist-generated
@@ -231,6 +234,7 @@
 /lib/codeql/swift/elements/expr/TypeExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/UnderlyingToOpaqueExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/UnevaluatedInstanceExpr.qll linguist-generated
+/lib/codeql/swift/elements/expr/UnreachableExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/UnresolvedDeclRefExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/UnresolvedDotExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/UnresolvedMemberChainResultExpr.qll linguist-generated
@@ -241,6 +245,8 @@
 /lib/codeql/swift/elements/expr/VarargExpansionExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/AbiSafeConversionExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/AbiSafeConversionExprImpl.qll linguist-generated
+/lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprConstructor.qll linguist-generated
+/lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprImpl.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/AnyHashableErasureExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/AnyHashableErasureExprImpl.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/AnyTryExprImpl.qll linguist-generated
@@ -286,6 +292,8 @@
 /lib/codeql/swift/elements/expr/internal/CovariantFunctionConversionExprImpl.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/CovariantReturnConversionExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/CovariantReturnConversionExprImpl.qll linguist-generated
+/lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprConstructor.qll linguist-generated
+/lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprImpl.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/DeclRefExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/DefaultArgumentExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/DerivedToBaseExprConstructor.qll linguist-generated
@@ -313,6 +321,8 @@
 /lib/codeql/swift/elements/expr/internal/ExistentialMetatypeToObjectExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/ExistentialMetatypeToObjectExprImpl.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/ExplicitClosureExprConstructor.qll linguist-generated
+/lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprConstructor.qll linguist-generated
+/lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprImpl.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/FloatLiteralExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/ForceTryExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/ForceValueExprConstructor.qll linguist-generated
@@ -403,6 +413,8 @@
 /lib/codeql/swift/elements/expr/internal/UnderlyingToOpaqueExprImpl.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/UnevaluatedInstanceExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/UnevaluatedInstanceExprImpl.qll linguist-generated
+/lib/codeql/swift/elements/expr/internal/UnreachableExprConstructor.qll linguist-generated
+/lib/codeql/swift/elements/expr/internal/UnreachableExprImpl.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/UnresolvedDeclRefExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/UnresolvedDotExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/internal/UnresolvedMemberChainResultExprConstructor.qll linguist-generated
@@ -764,6 +776,7 @@
 /lib/codeql/swift/generated/decl/ValueDecl.qll linguist-generated
 /lib/codeql/swift/generated/decl/VarDecl.qll linguist-generated
 /lib/codeql/swift/generated/expr/AbiSafeConversionExpr.qll linguist-generated
+/lib/codeql/swift/generated/expr/ActorIsolationErasureExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/AnyHashableErasureExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/AnyTryExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/AppliedPropertyWrapperExpr.qll linguist-generated
@@ -796,6 +809,7 @@
 /lib/codeql/swift/generated/expr/CopyExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/CovariantFunctionConversionExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/CovariantReturnConversionExpr.qll linguist-generated
+/lib/codeql/swift/generated/expr/CurrentContextIsolationExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/DeclRefExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/DefaultArgumentExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/DerivedToBaseExpr.qll linguist-generated
@@ -818,6 +832,7 @@
 /lib/codeql/swift/generated/expr/ExplicitCastExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/ExplicitClosureExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/Expr.qll linguist-generated
+/lib/codeql/swift/generated/expr/ExtractFunctionIsolationExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/FloatLiteralExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/ForceTryExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/ForceValueExpr.qll linguist-generated
@@ -885,6 +900,7 @@
 /lib/codeql/swift/generated/expr/TypeExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/UnderlyingToOpaqueExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/UnevaluatedInstanceExpr.qll linguist-generated
+/lib/codeql/swift/generated/expr/UnreachableExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/UnresolvedDeclRefExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/UnresolvedDotExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/UnresolvedMemberChainResultExpr.qll linguist-generated
@@ -1146,6 +1162,8 @@
 /test/extractor-tests/generated/expr/EnumIsCaseExpr/EnumIsCaseExpr.ql linguist-generated
 /test/extractor-tests/generated/expr/EnumIsCaseExpr/EnumIsCaseExpr_getType.ql linguist-generated
 /test/extractor-tests/generated/expr/ExplicitClosureExpr/MISSING_SOURCE.txt linguist-generated
+/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr.ql linguist-generated
+/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr_getType.ql linguist-generated
 /test/extractor-tests/generated/expr/FloatLiteralExpr/MISSING_SOURCE.txt linguist-generated
 /test/extractor-tests/generated/expr/ForceTryExpr/MISSING_SOURCE.txt linguist-generated
 /test/extractor-tests/generated/expr/ForceValueExpr/MISSING_SOURCE.txt linguist-generated
diff --git a/swift/ql/lib/change-notes/2025-04-14-new-entities.md b/swift/ql/lib/change-notes/2025-04-14-new-entities.md
new file mode 100644
index 000000000000..a0555d9cbda7
--- /dev/null
+++ b/swift/ql/lib/change-notes/2025-04-14-new-entities.md
@@ -0,0 +1,6 @@
+---
+category: minorAnalysis
+---
+* Added AST nodes `ActorIsolationErasureExpr`, `CurrentContextIsolationExpr`,
+  `ExtracFunctionIsolationExpr` and `UnreachableExpr` that correspond to new nodes
+  added by Swift 6.0.
diff --git a/swift/ql/lib/codeql/swift/controlflow/internal/ControlFlowGraphImpl.qll b/swift/ql/lib/codeql/swift/controlflow/internal/ControlFlowGraphImpl.qll
index f785bd0f2784..3d2b33e88906 100644
--- a/swift/ql/lib/codeql/swift/controlflow/internal/ControlFlowGraphImpl.qll
+++ b/swift/ql/lib/codeql/swift/controlflow/internal/ControlFlowGraphImpl.qll
@@ -1866,6 +1866,24 @@ module Exprs {
     }
   }
 
+  private class ExtractFunctionIsolationTree extends AstStandardPostOrderTree {
+    override ExtractFunctionIsolationExpr ast;
+
+    final override ControlFlowElement getChildNode(int i) {
+      i = 0 and
+      result.asAstNode() = ast.getFunctionExpr().getFullyConverted()
+    }
+  }
+
+  private class CurrentContextIsolationTree extends AstStandardPostOrderTree {
+    override CurrentContextIsolationExpr ast;
+
+    final override ControlFlowElement getChildNode(int i) {
+      i = 0 and
+      result.asAstNode() = ast.getActor().getFullyConverted()
+    }
+  }
+
   module Conversions {
     class ConversionOrIdentity =
       Synth::TIdentityExpr or Synth::TExplicitCastExpr or Synth::TImplicitConversionExpr or
diff --git a/swift/ql/lib/codeql/swift/elements.qll b/swift/ql/lib/codeql/swift/elements.qll
index 5d79bdf2d248..53d630d9f197 100644
--- a/swift/ql/lib/codeql/swift/elements.qll
+++ b/swift/ql/lib/codeql/swift/elements.qll
@@ -66,6 +66,7 @@ import codeql.swift.elements.decl.TypeDecl
 import codeql.swift.elements.decl.ValueDecl
 import codeql.swift.elements.decl.VarDecl
 import codeql.swift.elements.expr.AbiSafeConversionExpr
+import codeql.swift.elements.expr.ActorIsolationErasureExpr
 import codeql.swift.elements.expr.AnyHashableErasureExpr
 import codeql.swift.elements.expr.AnyTryExpr
 import codeql.swift.elements.expr.AppliedPropertyWrapperExpr
@@ -98,6 +99,7 @@ import codeql.swift.elements.expr.ConsumeExpr
 import codeql.swift.elements.expr.CopyExpr
 import codeql.swift.elements.expr.CovariantFunctionConversionExpr
 import codeql.swift.elements.expr.CovariantReturnConversionExpr
+import codeql.swift.elements.expr.CurrentContextIsolationExpr
 import codeql.swift.elements.expr.DeclRefExpr
 import codeql.swift.elements.expr.DefaultArgumentExpr
 import codeql.swift.elements.expr.DerivedToBaseExpr
@@ -119,6 +121,7 @@ import codeql.swift.elements.expr.ExistentialMetatypeToObjectExpr
 import codeql.swift.elements.expr.ExplicitCastExpr
 import codeql.swift.elements.expr.ExplicitClosureExpr
 import codeql.swift.elements.expr.Expr
+import codeql.swift.elements.expr.ExtractFunctionIsolationExpr
 import codeql.swift.elements.expr.FloatLiteralExpr
 import codeql.swift.elements.expr.ForceTryExpr
 import codeql.swift.elements.expr.ForceValueExpr
@@ -184,6 +187,7 @@ import codeql.swift.elements.expr.TupleExpr
 import codeql.swift.elements.expr.TypeExpr
 import codeql.swift.elements.expr.UnderlyingToOpaqueExpr
 import codeql.swift.elements.expr.UnevaluatedInstanceExpr
+import codeql.swift.elements.expr.UnreachableExpr
 import codeql.swift.elements.expr.UnresolvedDeclRefExpr
 import codeql.swift.elements.expr.UnresolvedDotExpr
 import codeql.swift.elements.expr.UnresolvedMemberChainResultExpr
diff --git a/swift/ql/lib/codeql/swift/elements/expr/ActorIsolationErasureExpr.qll b/swift/ql/lib/codeql/swift/elements/expr/ActorIsolationErasureExpr.qll
new file mode 100644
index 000000000000..d49275490b8e
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/ActorIsolationErasureExpr.qll
@@ -0,0 +1,13 @@
+// generated by codegen/codegen.py, do not edit
+/**
+ * This module provides the public class `ActorIsolationErasureExpr`.
+ */
+
+private import internal.ActorIsolationErasureExprImpl
+import codeql.swift.elements.expr.ImplicitConversionExpr
+
+/**
+ * A conversion that erases the actor isolation of an expression with `@isolated(any)` function
+ * type.
+ */
+final class ActorIsolationErasureExpr = Impl::ActorIsolationErasureExpr;
diff --git a/swift/ql/lib/codeql/swift/elements/expr/CurrentContextIsolationExpr.qll b/swift/ql/lib/codeql/swift/elements/expr/CurrentContextIsolationExpr.qll
new file mode 100644
index 000000000000..09bfc59e362a
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/CurrentContextIsolationExpr.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, do not edit
+/**
+ * This module provides the public class `CurrentContextIsolationExpr`.
+ */
+
+private import internal.CurrentContextIsolationExprImpl
+import codeql.swift.elements.expr.Expr
+
+/**
+ * An expression that extracts the actor isolation of the current context, of type `(any Actor)?`.
+ * This is synthesized by the type checker and does not have any way to be expressed explicitly in
+ * the source.
+ */
+final class CurrentContextIsolationExpr = Impl::CurrentContextIsolationExpr;
diff --git a/swift/ql/lib/codeql/swift/elements/expr/ExtractFunctionIsolationExpr.qll b/swift/ql/lib/codeql/swift/elements/expr/ExtractFunctionIsolationExpr.qll
new file mode 100644
index 000000000000..62ef58ee602d
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/ExtractFunctionIsolationExpr.qll
@@ -0,0 +1,20 @@
+// generated by codegen/codegen.py, do not edit
+/**
+ * This module provides the public class `ExtractFunctionIsolationExpr`.
+ */
+
+private import internal.ExtractFunctionIsolationExprImpl
+import codeql.swift.elements.expr.Expr
+
+/**
+ * An expression that extracts the function isolation of an expression with `@isolated(any)`
+ * function type.
+ *
+ * For example:
+ * ```
+ * func foo(x: @isolated(any) () -> ()) {
+ *     let isolation = x.isolation
+ * }
+ * ```
+ */
+final class ExtractFunctionIsolationExpr = Impl::ExtractFunctionIsolationExpr;
diff --git a/swift/ql/lib/codeql/swift/elements/expr/UnreachableExpr.qll b/swift/ql/lib/codeql/swift/elements/expr/UnreachableExpr.qll
new file mode 100644
index 000000000000..23c79595be11
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/UnreachableExpr.qll
@@ -0,0 +1,12 @@
+// generated by codegen/codegen.py, do not edit
+/**
+ * This module provides the public class `UnreachableExpr`.
+ */
+
+private import internal.UnreachableExprImpl
+import codeql.swift.elements.expr.ImplicitConversionExpr
+
+/**
+ * A conversion from the uninhabited type to any other type. It's never evaluated.
+ */
+final class UnreachableExpr = Impl::UnreachableExpr;
diff --git a/swift/ql/lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprConstructor.qll b/swift/ql/lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprConstructor.qll
new file mode 100644
index 000000000000..26690bc64dea
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `ActorIsolationErasureExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `ActorIsolationErasureExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructActorIsolationErasureExpr(Raw::ActorIsolationErasureExpr id) { any() }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprImpl.qll b/swift/ql/lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprImpl.qll
new file mode 100644
index 000000000000..0cbc16f09084
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/internal/ActorIsolationErasureExprImpl.qll
@@ -0,0 +1,20 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `ActorIsolationErasureExpr`.
+ *
+ * INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.expr.ActorIsolationErasureExpr
+
+/**
+ * INTERNAL: This module contains the customizable definition of `ActorIsolationErasureExpr` and should not
+ * be referenced directly.
+ */
+module Impl {
+  /**
+   * A conversion that erases the actor isolation of an expression with `@isolated(any)` function
+   * type.
+   */
+  class ActorIsolationErasureExpr extends Generated::ActorIsolationErasureExpr { }
+}
diff --git a/swift/ql/lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprConstructor.qll b/swift/ql/lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprConstructor.qll
new file mode 100644
index 000000000000..00e2e626e150
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `CurrentContextIsolationExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `CurrentContextIsolationExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructCurrentContextIsolationExpr(Raw::CurrentContextIsolationExpr id) { any() }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprImpl.qll b/swift/ql/lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprImpl.qll
new file mode 100644
index 000000000000..8c4b71eb04f9
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/internal/CurrentContextIsolationExprImpl.qll
@@ -0,0 +1,21 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `CurrentContextIsolationExpr`.
+ *
+ * INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.expr.CurrentContextIsolationExpr
+
+/**
+ * INTERNAL: This module contains the customizable definition of `CurrentContextIsolationExpr` and should not
+ * be referenced directly.
+ */
+module Impl {
+  /**
+   * An expression that extracts the actor isolation of the current context, of type `(any Actor)?`.
+   * This is synthesized by the type checker and does not have any way to be expressed explicitly in
+   * the source.
+   */
+  class CurrentContextIsolationExpr extends Generated::CurrentContextIsolationExpr { }
+}
diff --git a/swift/ql/lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprConstructor.qll b/swift/ql/lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprConstructor.qll
new file mode 100644
index 000000000000..a2a52efef60e
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `ExtractFunctionIsolationExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `ExtractFunctionIsolationExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructExtractFunctionIsolationExpr(Raw::ExtractFunctionIsolationExpr id) { any() }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprImpl.qll b/swift/ql/lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprImpl.qll
new file mode 100644
index 000000000000..dcb7d5874940
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/internal/ExtractFunctionIsolationExprImpl.qll
@@ -0,0 +1,27 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `ExtractFunctionIsolationExpr`.
+ *
+ * INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.expr.ExtractFunctionIsolationExpr
+
+/**
+ * INTERNAL: This module contains the customizable definition of `ExtractFunctionIsolationExpr` and should not
+ * be referenced directly.
+ */
+module Impl {
+  /**
+   * An expression that extracts the function isolation of an expression with `@isolated(any)`
+   * function type.
+   *
+   * For example:
+   * ```
+   * func foo(x: @isolated(any) () -> ()) {
+   *     let isolation = x.isolation
+   * }
+   * ```
+   */
+  class ExtractFunctionIsolationExpr extends Generated::ExtractFunctionIsolationExpr { }
+}
diff --git a/swift/ql/lib/codeql/swift/elements/expr/internal/UnreachableExprConstructor.qll b/swift/ql/lib/codeql/swift/elements/expr/internal/UnreachableExprConstructor.qll
new file mode 100644
index 000000000000..8689ded006ed
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/internal/UnreachableExprConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `UnreachableExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `UnreachableExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructUnreachableExpr(Raw::UnreachableExpr id) { any() }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/internal/UnreachableExprImpl.qll b/swift/ql/lib/codeql/swift/elements/expr/internal/UnreachableExprImpl.qll
new file mode 100644
index 000000000000..35dda80350c1
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/internal/UnreachableExprImpl.qll
@@ -0,0 +1,19 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `UnreachableExpr`.
+ *
+ * INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.expr.UnreachableExpr
+
+/**
+ * INTERNAL: This module contains the customizable definition of `UnreachableExpr` and should not
+ * be referenced directly.
+ */
+module Impl {
+  /**
+   * A conversion from the uninhabited type to any other type. It's never evaluated.
+   */
+  class UnreachableExpr extends Generated::UnreachableExpr { }
+}
diff --git a/swift/ql/lib/codeql/swift/generated/ParentChild.qll b/swift/ql/lib/codeql/swift/generated/ParentChild.qll
index 13e75c262398..2925620f24f0 100644
--- a/swift/ql/lib/codeql/swift/generated/ParentChild.qll
+++ b/swift/ql/lib/codeql/swift/generated/ParentChild.qll
@@ -1267,6 +1267,21 @@ private module Impl {
     )
   }
 
+  private Element getImmediateChildOfCurrentContextIsolationExpr(
+    CurrentContextIsolationExpr e, int index, string partialPredicateCall
+  ) {
+    exists(int b, int bExpr, int n |
+      b = 0 and
+      bExpr = b + 1 + max(int i | i = -1 or exists(getImmediateChildOfExpr(e, i, _)) | i) and
+      n = bExpr and
+      (
+        none()
+        or
+        result = getImmediateChildOfExpr(e, index - b, partialPredicateCall)
+      )
+    )
+  }
+
   private Element getImmediateChildOfDeclRefExpr(
     DeclRefExpr e, int index, string partialPredicateCall
   ) {
@@ -1406,6 +1421,26 @@ private module Impl {
     )
   }
 
+  private Element getImmediateChildOfExtractFunctionIsolationExpr(
+    ExtractFunctionIsolationExpr e, int index, string partialPredicateCall
+  ) {
+    exists(int b, int bExpr, int n, int nFunctionExpr |
+      b = 0 and
+      bExpr = b + 1 + max(int i | i = -1 or exists(getImmediateChildOfExpr(e, i, _)) | i) and
+      n = bExpr and
+      nFunctionExpr = n + 1 and
+      (
+        none()
+        or
+        result = getImmediateChildOfExpr(e, index - b, partialPredicateCall)
+        or
+        index = n and
+        result = e.getImmediateFunctionExpr() and
+        partialPredicateCall = "FunctionExpr()"
+      )
+    )
+  }
+
   private Element getImmediateChildOfForceValueExpr(
     ForceValueExpr e, int index, string partialPredicateCall
   ) {
@@ -2113,6 +2148,23 @@ private module Impl {
     )
   }
 
+  private Element getImmediateChildOfActorIsolationErasureExpr(
+    ActorIsolationErasureExpr e, int index, string partialPredicateCall
+  ) {
+    exists(int b, int bImplicitConversionExpr, int n |
+      b = 0 and
+      bImplicitConversionExpr =
+        b + 1 +
+          max(int i | i = -1 or exists(getImmediateChildOfImplicitConversionExpr(e, i, _)) | i) and
+      n = bImplicitConversionExpr and
+      (
+        none()
+        or
+        result = getImmediateChildOfImplicitConversionExpr(e, index - b, partialPredicateCall)
+      )
+    )
+  }
+
   private Element getImmediateChildOfAnyHashableErasureExpr(
     AnyHashableErasureExpr e, int index, string partialPredicateCall
   ) {
@@ -3056,6 +3108,23 @@ private module Impl {
     )
   }
 
+  private Element getImmediateChildOfUnreachableExpr(
+    UnreachableExpr e, int index, string partialPredicateCall
+  ) {
+    exists(int b, int bImplicitConversionExpr, int n |
+      b = 0 and
+      bImplicitConversionExpr =
+        b + 1 +
+          max(int i | i = -1 or exists(getImmediateChildOfImplicitConversionExpr(e, i, _)) | i) and
+      n = bImplicitConversionExpr and
+      (
+        none()
+        or
+        result = getImmediateChildOfImplicitConversionExpr(e, index - b, partialPredicateCall)
+      )
+    )
+  }
+
   private Element getImmediateChildOfUnresolvedMemberChainResultExpr(
     UnresolvedMemberChainResultExpr e, int index, string partialPredicateCall
   ) {
@@ -5224,6 +5293,8 @@ private module Impl {
     or
     result = getImmediateChildOfCopyExpr(e, index, partialAccessor)
     or
+    result = getImmediateChildOfCurrentContextIsolationExpr(e, index, partialAccessor)
+    or
     result = getImmediateChildOfDeclRefExpr(e, index, partialAccessor)
     or
     result = getImmediateChildOfDefaultArgumentExpr(e, index, partialAccessor)
@@ -5238,6 +5309,8 @@ private module Impl {
     or
     result = getImmediateChildOfErrorExpr(e, index, partialAccessor)
     or
+    result = getImmediateChildOfExtractFunctionIsolationExpr(e, index, partialAccessor)
+    or
     result = getImmediateChildOfForceValueExpr(e, index, partialAccessor)
     or
     result = getImmediateChildOfIfExpr(e, index, partialAccessor)
@@ -5306,6 +5379,8 @@ private module Impl {
     or
     result = getImmediateChildOfAbiSafeConversionExpr(e, index, partialAccessor)
     or
+    result = getImmediateChildOfActorIsolationErasureExpr(e, index, partialAccessor)
+    or
     result = getImmediateChildOfAnyHashableErasureExpr(e, index, partialAccessor)
     or
     result = getImmediateChildOfArchetypeToSuperExpr(e, index, partialAccessor)
@@ -5412,6 +5487,8 @@ private module Impl {
     or
     result = getImmediateChildOfUnevaluatedInstanceExpr(e, index, partialAccessor)
     or
+    result = getImmediateChildOfUnreachableExpr(e, index, partialAccessor)
+    or
     result = getImmediateChildOfUnresolvedMemberChainResultExpr(e, index, partialAccessor)
     or
     result = getImmediateChildOfUnresolvedTypeConversionExpr(e, index, partialAccessor)
diff --git a/swift/ql/lib/codeql/swift/generated/Raw.qll b/swift/ql/lib/codeql/swift/generated/Raw.qll
index 820dd7e3a888..2e0e08599cea 100644
--- a/swift/ql/lib/codeql/swift/generated/Raw.qll
+++ b/swift/ql/lib/codeql/swift/generated/Raw.qll
@@ -1215,6 +1215,21 @@ module Raw {
     Expr getSubExpr() { copy_exprs(this, result) }
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * An expression that extracts the actor isolation of the current context, of type `(any Actor)?`.
+   * This is synthesized by the type checker and does not have any way to be expressed explicitly in
+   * the source.
+   */
+  class CurrentContextIsolationExpr extends @current_context_isolation_expr, Expr {
+    override string toString() { result = "CurrentContextIsolationExpr" }
+
+    /**
+     * Gets the actor of this current context isolation expression.
+     */
+    Expr getActor() { current_context_isolation_exprs(this, result) }
+  }
+
   /**
    * INTERNAL: Do not use.
    */
@@ -1346,6 +1361,27 @@ module Raw {
     Expr getSubExpr() { explicit_cast_exprs(this, result) }
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * An expression that extracts the function isolation of an expression with `@isolated(any)`
+   * function type.
+   *
+   * For example:
+   * ```
+   * func foo(x: @isolated(any) () -> ()) {
+   *     let isolation = x.isolation
+   * }
+   * ```
+   */
+  class ExtractFunctionIsolationExpr extends @extract_function_isolation_expr, Expr {
+    override string toString() { result = "ExtractFunctionIsolationExpr" }
+
+    /**
+     * Gets the function expression of this extract function isolation expression.
+     */
+    Expr getFunctionExpr() { extract_function_isolation_exprs(this, result) }
+  }
+
   /**
    * INTERNAL: Do not use.
    */
@@ -1901,6 +1937,15 @@ module Raw {
     override string toString() { result = "AbiSafeConversionExpr" }
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * A conversion that erases the actor isolation of an expression with `@isolated(any)` function
+   * type.
+   */
+  class ActorIsolationErasureExpr extends @actor_isolation_erasure_expr, ImplicitConversionExpr {
+    override string toString() { result = "ActorIsolationErasureExpr" }
+  }
+
   /**
    * INTERNAL: Do not use.
    */
@@ -2417,6 +2462,14 @@ module Raw {
     override string toString() { result = "UnevaluatedInstanceExpr" }
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * A conversion from the uninhabited type to any other type. It's never evaluated.
+   */
+  class UnreachableExpr extends @unreachable_expr, ImplicitConversionExpr {
+    override string toString() { result = "UnreachableExpr" }
+  }
+
   /**
    * INTERNAL: Do not use.
    */
diff --git a/swift/ql/lib/codeql/swift/generated/Synth.qll b/swift/ql/lib/codeql/swift/generated/Synth.qll
index 44759bc72eab..ce6eca080afb 100644
--- a/swift/ql/lib/codeql/swift/generated/Synth.qll
+++ b/swift/ql/lib/codeql/swift/generated/Synth.qll
@@ -192,6 +192,12 @@ module Synth {
      * INTERNAL: Do not use.
      */
     TAbiSafeConversionExpr(Raw::AbiSafeConversionExpr id) { constructAbiSafeConversionExpr(id) } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TActorIsolationErasureExpr(Raw::ActorIsolationErasureExpr id) {
+      constructActorIsolationErasureExpr(id)
+    } or
     /**
      * INTERNAL: Do not use.
      */
@@ -310,6 +316,12 @@ module Synth {
     TCovariantReturnConversionExpr(Raw::CovariantReturnConversionExpr id) {
       constructCovariantReturnConversionExpr(id)
     } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TCurrentContextIsolationExpr(Raw::CurrentContextIsolationExpr id) {
+      constructCurrentContextIsolationExpr(id)
+    } or
     /**
      * INTERNAL: Do not use.
      */
@@ -394,6 +406,12 @@ module Synth {
      * INTERNAL: Do not use.
      */
     TExplicitClosureExpr(Raw::ExplicitClosureExpr id) { constructExplicitClosureExpr(id) } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TExtractFunctionIsolationExpr(Raw::ExtractFunctionIsolationExpr id) {
+      constructExtractFunctionIsolationExpr(id)
+    } or
     /**
      * INTERNAL: Do not use.
      */
@@ -660,6 +678,10 @@ module Synth {
     TUnevaluatedInstanceExpr(Raw::UnevaluatedInstanceExpr id) {
       constructUnevaluatedInstanceExpr(id)
     } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TUnreachableExpr(Raw::UnreachableExpr id) { constructUnreachableExpr(id) } or
     /**
      * INTERNAL: Do not use.
      */
@@ -1230,15 +1252,15 @@ module Synth {
   class TExpr =
     TAnyTryExpr or TAppliedPropertyWrapperExpr or TApplyExpr or TAssignExpr or TBindOptionalExpr or
         TCaptureListExpr or TClosureExpr or TCollectionExpr or TConsumeExpr or TCopyExpr or
-        TDeclRefExpr or TDefaultArgumentExpr or TDiscardAssignmentExpr or
-        TDotSyntaxBaseIgnoredExpr or TDynamicTypeExpr or TEnumIsCaseExpr or TErrorExpr or
-        TExplicitCastExpr or TForceValueExpr or TIdentityExpr or TIfExpr or
-        TImplicitConversionExpr or TInOutExpr or TKeyPathApplicationExpr or TKeyPathDotExpr or
-        TKeyPathExpr or TLazyInitializationExpr or TLiteralExpr or TLookupExpr or
-        TMakeTemporarilyEscapableExpr or TMaterializePackExpr or TObjCSelectorExpr or TOneWayExpr or
-        TOpaqueValueExpr or TOpenExistentialExpr or TOptionalEvaluationExpr or
-        TOtherInitializerRefExpr or TOverloadedDeclRefExpr or TPackElementExpr or
-        TPackExpansionExpr or TPropertyWrapperValuePlaceholderExpr or
+        TCurrentContextIsolationExpr or TDeclRefExpr or TDefaultArgumentExpr or
+        TDiscardAssignmentExpr or TDotSyntaxBaseIgnoredExpr or TDynamicTypeExpr or
+        TEnumIsCaseExpr or TErrorExpr or TExplicitCastExpr or TExtractFunctionIsolationExpr or
+        TForceValueExpr or TIdentityExpr or TIfExpr or TImplicitConversionExpr or TInOutExpr or
+        TKeyPathApplicationExpr or TKeyPathDotExpr or TKeyPathExpr or TLazyInitializationExpr or
+        TLiteralExpr or TLookupExpr or TMakeTemporarilyEscapableExpr or TMaterializePackExpr or
+        TObjCSelectorExpr or TOneWayExpr or TOpaqueValueExpr or TOpenExistentialExpr or
+        TOptionalEvaluationExpr or TOtherInitializerRefExpr or TOverloadedDeclRefExpr or
+        TPackElementExpr or TPackExpansionExpr or TPropertyWrapperValuePlaceholderExpr or
         TRebindSelfInInitializerExpr or TSequenceExpr or TSingleValueStmtExpr or TSuperRefExpr or
         TTapExpr or TTupleElementExpr or TTupleExpr or TTypeExpr or TUnresolvedDeclRefExpr or
         TUnresolvedDotExpr or TUnresolvedMemberExpr or TUnresolvedPatternExpr or
@@ -1254,8 +1276,8 @@ module Synth {
    * INTERNAL: Do not use.
    */
   class TImplicitConversionExpr =
-    TAbiSafeConversionExpr or TAnyHashableErasureExpr or TArchetypeToSuperExpr or
-        TArrayToPointerExpr or TBridgeFromObjCExpr or TBridgeToObjCExpr or
+    TAbiSafeConversionExpr or TActorIsolationErasureExpr or TAnyHashableErasureExpr or
+        TArchetypeToSuperExpr or TArrayToPointerExpr or TBridgeFromObjCExpr or TBridgeToObjCExpr or
         TClassMetatypeToObjectExpr or TCollectionUpcastConversionExpr or
         TConditionalBridgeFromObjCExpr or TCovariantFunctionConversionExpr or
         TCovariantReturnConversionExpr or TDerivedToBaseExpr or TDestructureTupleExpr or
@@ -1265,7 +1287,8 @@ module Synth {
         TLinearFunctionExpr or TLinearFunctionExtractOriginalExpr or
         TLinearToDifferentiableFunctionExpr or TLoadExpr or TMetatypeConversionExpr or
         TPointerToPointerExpr or TProtocolMetatypeToObjectExpr or TStringToPointerExpr or
-        TUnderlyingToOpaqueExpr or TUnevaluatedInstanceExpr or TUnresolvedTypeConversionExpr;
+        TUnderlyingToOpaqueExpr or TUnevaluatedInstanceExpr or TUnreachableExpr or
+        TUnresolvedTypeConversionExpr;
 
   /**
    * INTERNAL: Do not use.
@@ -1698,6 +1721,14 @@ module Synth {
     result = TAbiSafeConversionExpr(e)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TActorIsolationErasureExpr`, if possible.
+   */
+  TActorIsolationErasureExpr convertActorIsolationErasureExprFromRaw(Raw::Element e) {
+    result = TActorIsolationErasureExpr(e)
+  }
+
   /**
    * INTERNAL: Do not use.
    * Converts a raw element to a synthesized `TAnyHashableErasureExpr`, if possible.
@@ -1878,6 +1909,14 @@ module Synth {
     result = TCovariantReturnConversionExpr(e)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TCurrentContextIsolationExpr`, if possible.
+   */
+  TCurrentContextIsolationExpr convertCurrentContextIsolationExprFromRaw(Raw::Element e) {
+    result = TCurrentContextIsolationExpr(e)
+  }
+
   /**
    * INTERNAL: Do not use.
    * Converts a raw element to a synthesized `TDeclRefExpr`, if possible.
@@ -2018,6 +2057,14 @@ module Synth {
     result = TExplicitClosureExpr(e)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TExtractFunctionIsolationExpr`, if possible.
+   */
+  TExtractFunctionIsolationExpr convertExtractFunctionIsolationExprFromRaw(Raw::Element e) {
+    result = TExtractFunctionIsolationExpr(e)
+  }
+
   /**
    * INTERNAL: Do not use.
    * Converts a raw element to a synthesized `TFloatLiteralExpr`, if possible.
@@ -2452,6 +2499,12 @@ module Synth {
     result = TUnevaluatedInstanceExpr(e)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TUnreachableExpr`, if possible.
+   */
+  TUnreachableExpr convertUnreachableExprFromRaw(Raw::Element e) { result = TUnreachableExpr(e) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a raw element to a synthesized `TUnresolvedDeclRefExpr`, if possible.
@@ -3529,6 +3582,8 @@ module Synth {
     or
     result = convertCopyExprFromRaw(e)
     or
+    result = convertCurrentContextIsolationExprFromRaw(e)
+    or
     result = convertDeclRefExprFromRaw(e)
     or
     result = convertDefaultArgumentExprFromRaw(e)
@@ -3545,6 +3600,8 @@ module Synth {
     or
     result = convertExplicitCastExprFromRaw(e)
     or
+    result = convertExtractFunctionIsolationExprFromRaw(e)
+    or
     result = convertForceValueExprFromRaw(e)
     or
     result = convertIdentityExprFromRaw(e)
@@ -3643,6 +3700,8 @@ module Synth {
   TImplicitConversionExpr convertImplicitConversionExprFromRaw(Raw::Element e) {
     result = convertAbiSafeConversionExprFromRaw(e)
     or
+    result = convertActorIsolationErasureExprFromRaw(e)
+    or
     result = convertAnyHashableErasureExprFromRaw(e)
     or
     result = convertArchetypeToSuperExprFromRaw(e)
@@ -3703,6 +3762,8 @@ module Synth {
     or
     result = convertUnevaluatedInstanceExprFromRaw(e)
     or
+    result = convertUnreachableExprFromRaw(e)
+    or
     result = convertUnresolvedTypeConversionExprFromRaw(e)
   }
 
@@ -4370,6 +4431,14 @@ module Synth {
     e = TAbiSafeConversionExpr(result)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TActorIsolationErasureExpr` to a raw DB element, if possible.
+   */
+  Raw::Element convertActorIsolationErasureExprToRaw(TActorIsolationErasureExpr e) {
+    e = TActorIsolationErasureExpr(result)
+  }
+
   /**
    * INTERNAL: Do not use.
    * Converts a synthesized `TAnyHashableErasureExpr` to a raw DB element, if possible.
@@ -4550,6 +4619,14 @@ module Synth {
     e = TCovariantReturnConversionExpr(result)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TCurrentContextIsolationExpr` to a raw DB element, if possible.
+   */
+  Raw::Element convertCurrentContextIsolationExprToRaw(TCurrentContextIsolationExpr e) {
+    e = TCurrentContextIsolationExpr(result)
+  }
+
   /**
    * INTERNAL: Do not use.
    * Converts a synthesized `TDeclRefExpr` to a raw DB element, if possible.
@@ -4690,6 +4767,14 @@ module Synth {
     e = TExplicitClosureExpr(result)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TExtractFunctionIsolationExpr` to a raw DB element, if possible.
+   */
+  Raw::Element convertExtractFunctionIsolationExprToRaw(TExtractFunctionIsolationExpr e) {
+    e = TExtractFunctionIsolationExpr(result)
+  }
+
   /**
    * INTERNAL: Do not use.
    * Converts a synthesized `TFloatLiteralExpr` to a raw DB element, if possible.
@@ -5122,6 +5207,12 @@ module Synth {
     e = TUnevaluatedInstanceExpr(result)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TUnreachableExpr` to a raw DB element, if possible.
+   */
+  Raw::Element convertUnreachableExprToRaw(TUnreachableExpr e) { e = TUnreachableExpr(result) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a synthesized `TUnresolvedDeclRefExpr` to a raw DB element, if possible.
@@ -6199,6 +6290,8 @@ module Synth {
     or
     result = convertCopyExprToRaw(e)
     or
+    result = convertCurrentContextIsolationExprToRaw(e)
+    or
     result = convertDeclRefExprToRaw(e)
     or
     result = convertDefaultArgumentExprToRaw(e)
@@ -6215,6 +6308,8 @@ module Synth {
     or
     result = convertExplicitCastExprToRaw(e)
     or
+    result = convertExtractFunctionIsolationExprToRaw(e)
+    or
     result = convertForceValueExprToRaw(e)
     or
     result = convertIdentityExprToRaw(e)
@@ -6313,6 +6408,8 @@ module Synth {
   Raw::Element convertImplicitConversionExprToRaw(TImplicitConversionExpr e) {
     result = convertAbiSafeConversionExprToRaw(e)
     or
+    result = convertActorIsolationErasureExprToRaw(e)
+    or
     result = convertAnyHashableErasureExprToRaw(e)
     or
     result = convertArchetypeToSuperExprToRaw(e)
@@ -6373,6 +6470,8 @@ module Synth {
     or
     result = convertUnevaluatedInstanceExprToRaw(e)
     or
+    result = convertUnreachableExprToRaw(e)
+    or
     result = convertUnresolvedTypeConversionExprToRaw(e)
   }
 
diff --git a/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll b/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
index 0d5dcdaaa6a4..1da3dcbc0134 100644
--- a/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
+++ b/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
@@ -45,6 +45,7 @@ import codeql.swift.elements.decl.internal.SubscriptDeclConstructor
 import codeql.swift.elements.decl.internal.TopLevelCodeDeclConstructor
 import codeql.swift.elements.decl.internal.TypeAliasDeclConstructor
 import codeql.swift.elements.expr.internal.AbiSafeConversionExprConstructor
+import codeql.swift.elements.expr.internal.ActorIsolationErasureExprConstructor
 import codeql.swift.elements.expr.internal.AnyHashableErasureExprConstructor
 import codeql.swift.elements.expr.internal.AppliedPropertyWrapperExprConstructor
 import codeql.swift.elements.expr.internal.ArchetypeToSuperExprConstructor
@@ -71,6 +72,7 @@ import codeql.swift.elements.expr.internal.ConsumeExprConstructor
 import codeql.swift.elements.expr.internal.CopyExprConstructor
 import codeql.swift.elements.expr.internal.CovariantFunctionConversionExprConstructor
 import codeql.swift.elements.expr.internal.CovariantReturnConversionExprConstructor
+import codeql.swift.elements.expr.internal.CurrentContextIsolationExprConstructor
 import codeql.swift.elements.expr.internal.DeclRefExprConstructor
 import codeql.swift.elements.expr.internal.DefaultArgumentExprConstructor
 import codeql.swift.elements.expr.internal.DerivedToBaseExprConstructor
@@ -90,6 +92,7 @@ import codeql.swift.elements.expr.internal.ErasureExprConstructor
 import codeql.swift.elements.expr.internal.ErrorExprConstructor
 import codeql.swift.elements.expr.internal.ExistentialMetatypeToObjectExprConstructor
 import codeql.swift.elements.expr.internal.ExplicitClosureExprConstructor
+import codeql.swift.elements.expr.internal.ExtractFunctionIsolationExprConstructor
 import codeql.swift.elements.expr.internal.FloatLiteralExprConstructor
 import codeql.swift.elements.expr.internal.ForceTryExprConstructor
 import codeql.swift.elements.expr.internal.ForceValueExprConstructor
@@ -151,6 +154,7 @@ import codeql.swift.elements.expr.internal.TupleExprConstructor
 import codeql.swift.elements.expr.internal.TypeExprConstructor
 import codeql.swift.elements.expr.internal.UnderlyingToOpaqueExprConstructor
 import codeql.swift.elements.expr.internal.UnevaluatedInstanceExprConstructor
+import codeql.swift.elements.expr.internal.UnreachableExprConstructor
 import codeql.swift.elements.expr.internal.UnresolvedDeclRefExprConstructor
 import codeql.swift.elements.expr.internal.UnresolvedDotExprConstructor
 import codeql.swift.elements.expr.internal.UnresolvedMemberChainResultExprConstructor
diff --git a/swift/ql/lib/codeql/swift/generated/expr/ActorIsolationErasureExpr.qll b/swift/ql/lib/codeql/swift/generated/expr/ActorIsolationErasureExpr.qll
new file mode 100644
index 000000000000..0811908bbabe
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/expr/ActorIsolationErasureExpr.qll
@@ -0,0 +1,27 @@
+// generated by codegen/codegen.py, do not edit
+/**
+ * This module provides the generated definition of `ActorIsolationErasureExpr`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.expr.internal.ImplicitConversionExprImpl::Impl as ImplicitConversionExprImpl
+
+/**
+ * INTERNAL: This module contains the fully generated definition of `ActorIsolationErasureExpr` and should not
+ * be referenced directly.
+ */
+module Generated {
+  /**
+   * A conversion that erases the actor isolation of an expression with `@isolated(any)` function
+   * type.
+   * INTERNAL: Do not reference the `Generated::ActorIsolationErasureExpr` class directly.
+   * Use the subclass `ActorIsolationErasureExpr`, where the following predicates are available.
+   */
+  class ActorIsolationErasureExpr extends Synth::TActorIsolationErasureExpr,
+    ImplicitConversionExprImpl::ImplicitConversionExpr
+  {
+    override string getAPrimaryQlClass() { result = "ActorIsolationErasureExpr" }
+  }
+}
diff --git a/swift/ql/lib/codeql/swift/generated/expr/CurrentContextIsolationExpr.qll b/swift/ql/lib/codeql/swift/generated/expr/CurrentContextIsolationExpr.qll
new file mode 100644
index 000000000000..32a895355436
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/expr/CurrentContextIsolationExpr.qll
@@ -0,0 +1,50 @@
+// generated by codegen/codegen.py, do not edit
+/**
+ * This module provides the generated definition of `CurrentContextIsolationExpr`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.expr.Expr
+import codeql.swift.elements.expr.internal.ExprImpl::Impl as ExprImpl
+
+/**
+ * INTERNAL: This module contains the fully generated definition of `CurrentContextIsolationExpr` and should not
+ * be referenced directly.
+ */
+module Generated {
+  /**
+   * An expression that extracts the actor isolation of the current context, of type `(any Actor)?`.
+   * This is synthesized by the type checker and does not have any way to be expressed explicitly in
+   * the source.
+   * INTERNAL: Do not reference the `Generated::CurrentContextIsolationExpr` class directly.
+   * Use the subclass `CurrentContextIsolationExpr`, where the following predicates are available.
+   */
+  class CurrentContextIsolationExpr extends Synth::TCurrentContextIsolationExpr, ExprImpl::Expr {
+    override string getAPrimaryQlClass() { result = "CurrentContextIsolationExpr" }
+
+    /**
+     * Gets the actor of this current context isolation expression.
+     *
+     * This includes nodes from the "hidden" AST. It can be overridden in subclasses to change the
+     * behavior of both the `Immediate` and non-`Immediate` versions.
+     */
+    Expr getImmediateActor() {
+      result =
+        Synth::convertExprFromRaw(Synth::convertCurrentContextIsolationExprToRaw(this)
+              .(Raw::CurrentContextIsolationExpr)
+              .getActor())
+    }
+
+    /**
+     * Gets the actor of this current context isolation expression.
+     */
+    final Expr getActor() {
+      exists(Expr immediate |
+        immediate = this.getImmediateActor() and
+        if exists(this.getResolveStep()) then result = immediate else result = immediate.resolve()
+      )
+    }
+  }
+}
diff --git a/swift/ql/lib/codeql/swift/generated/expr/ExtractFunctionIsolationExpr.qll b/swift/ql/lib/codeql/swift/generated/expr/ExtractFunctionIsolationExpr.qll
new file mode 100644
index 000000000000..28b942b54dab
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/expr/ExtractFunctionIsolationExpr.qll
@@ -0,0 +1,56 @@
+// generated by codegen/codegen.py, do not edit
+/**
+ * This module provides the generated definition of `ExtractFunctionIsolationExpr`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.expr.Expr
+import codeql.swift.elements.expr.internal.ExprImpl::Impl as ExprImpl
+
+/**
+ * INTERNAL: This module contains the fully generated definition of `ExtractFunctionIsolationExpr` and should not
+ * be referenced directly.
+ */
+module Generated {
+  /**
+   * An expression that extracts the function isolation of an expression with `@isolated(any)`
+   * function type.
+   *
+   * For example:
+   * ```
+   * func foo(x: @isolated(any) () -> ()) {
+   *     let isolation = x.isolation
+   * }
+   * ```
+   * INTERNAL: Do not reference the `Generated::ExtractFunctionIsolationExpr` class directly.
+   * Use the subclass `ExtractFunctionIsolationExpr`, where the following predicates are available.
+   */
+  class ExtractFunctionIsolationExpr extends Synth::TExtractFunctionIsolationExpr, ExprImpl::Expr {
+    override string getAPrimaryQlClass() { result = "ExtractFunctionIsolationExpr" }
+
+    /**
+     * Gets the function expression of this extract function isolation expression.
+     *
+     * This includes nodes from the "hidden" AST. It can be overridden in subclasses to change the
+     * behavior of both the `Immediate` and non-`Immediate` versions.
+     */
+    Expr getImmediateFunctionExpr() {
+      result =
+        Synth::convertExprFromRaw(Synth::convertExtractFunctionIsolationExprToRaw(this)
+              .(Raw::ExtractFunctionIsolationExpr)
+              .getFunctionExpr())
+    }
+
+    /**
+     * Gets the function expression of this extract function isolation expression.
+     */
+    final Expr getFunctionExpr() {
+      exists(Expr immediate |
+        immediate = this.getImmediateFunctionExpr() and
+        if exists(this.getResolveStep()) then result = immediate else result = immediate.resolve()
+      )
+    }
+  }
+}
diff --git a/swift/ql/lib/codeql/swift/generated/expr/UnreachableExpr.qll b/swift/ql/lib/codeql/swift/generated/expr/UnreachableExpr.qll
new file mode 100644
index 000000000000..5737d6b9172f
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/expr/UnreachableExpr.qll
@@ -0,0 +1,26 @@
+// generated by codegen/codegen.py, do not edit
+/**
+ * This module provides the generated definition of `UnreachableExpr`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.expr.internal.ImplicitConversionExprImpl::Impl as ImplicitConversionExprImpl
+
+/**
+ * INTERNAL: This module contains the fully generated definition of `UnreachableExpr` and should not
+ * be referenced directly.
+ */
+module Generated {
+  /**
+   * A conversion from the uninhabited type to any other type. It's never evaluated.
+   * INTERNAL: Do not reference the `Generated::UnreachableExpr` class directly.
+   * Use the subclass `UnreachableExpr`, where the following predicates are available.
+   */
+  class UnreachableExpr extends Synth::TUnreachableExpr,
+    ImplicitConversionExprImpl::ImplicitConversionExpr
+  {
+    override string getAPrimaryQlClass() { result = "UnreachableExpr" }
+  }
+}
diff --git a/swift/ql/lib/swift.dbscheme b/swift/ql/lib/swift.dbscheme
index 33db81ad4b60..be2357fd0023 100644
--- a/swift/ql/lib/swift.dbscheme
+++ b/swift/ql/lib/swift.dbscheme
@@ -778,6 +778,7 @@ arguments(  //dir=expr
 | @collection_expr
 | @consume_expr
 | @copy_expr
+| @current_context_isolation_expr
 | @decl_ref_expr
 | @default_argument_expr
 | @discard_assignment_expr
@@ -786,6 +787,7 @@ arguments(  //dir=expr
 | @enum_is_case_expr
 | @error_expr
 | @explicit_cast_expr
+| @extract_function_isolation_expr
 | @force_value_expr
 | @identity_expr
 | @if_expr
@@ -914,6 +916,11 @@ copy_exprs(  //dir=expr
   int sub_expr: @expr_or_none ref
 );
 
+current_context_isolation_exprs(  //dir=expr
+  unique int id: @current_context_isolation_expr,
+  int actor: @expr_or_none ref
+);
+
 decl_ref_exprs(  //dir=expr
   unique int id: @decl_ref_expr,
   int decl: @decl_or_none ref
@@ -994,6 +1001,11 @@ explicit_cast_exprs(  //dir=expr
   int sub_expr: @expr_or_none ref
 );
 
+extract_function_isolation_exprs(  //dir=expr
+  unique int id: @extract_function_isolation_expr,
+  int function_expr: @expr_or_none ref
+);
+
 force_value_exprs(  //dir=expr
   unique int id: @force_value_expr,
   int sub_expr: @expr_or_none ref
@@ -1022,6 +1034,7 @@ if_exprs(  //dir=expr
 
 @implicit_conversion_expr =
   @abi_safe_conversion_expr
+| @actor_isolation_erasure_expr
 | @any_hashable_erasure_expr
 | @archetype_to_super_expr
 | @array_to_pointer_expr
@@ -1052,6 +1065,7 @@ if_exprs(  //dir=expr
 | @string_to_pointer_expr
 | @underlying_to_opaque_expr
 | @unevaluated_instance_expr
+| @unreachable_expr
 | @unresolved_type_conversion_expr
 ;
 
@@ -1306,6 +1320,10 @@ abi_safe_conversion_exprs(  //dir=expr
   unique int id: @abi_safe_conversion_expr
 );
 
+actor_isolation_erasure_exprs(  //dir=expr
+  unique int id: @actor_isolation_erasure_expr
+);
+
 any_hashable_erasure_exprs(  //dir=expr
   unique int id: @any_hashable_erasure_expr
 );
@@ -1626,6 +1644,10 @@ unevaluated_instance_exprs(  //dir=expr
   unique int id: @unevaluated_instance_expr
 );
 
+unreachable_exprs(  //dir=expr
+  unique int id: @unreachable_expr
+);
+
 unresolved_member_chain_result_exprs(  //dir=expr
   unique int id: @unresolved_member_chain_result_expr
 );
diff --git a/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/old.dbscheme b/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/old.dbscheme
new file mode 100644
index 000000000000..33db81ad4b60
--- /dev/null
+++ b/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/old.dbscheme
@@ -0,0 +1,2793 @@
+// generated by codegen/codegen.py, do not edit
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @callable
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @macro_role
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+macro_roles(
+  unique int id: @macro_role,
+  int kind: int ref,
+  int macro_syntax: int ref
+);
+
+#keyset[id, index]
+macro_role_conformances(
+  int id: @macro_role ref,
+  int index: int ref,
+  int conformance: @type_expr_or_none ref
+);
+
+#keyset[id, index]
+macro_role_names(
+  int id: @macro_role ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @macro_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @macro_decl
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+macro_decls(  //dir=decl
+  unique int id: @macro_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+macro_decl_parameters(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int parameter: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+macro_decl_roles(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int role: @macro_role_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @materialize_pack_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+materialize_pack_exprs(  //dir=expr
+  unique int id: @materialize_pack_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+#keyset[id]
+pattern_types(  //dir=pattern
+  int id: @pattern ref,
+  int type_: @type_or_none ref
+);
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @discard_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @then_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+discard_stmts(  //dir=stmt
+  unique int id: @discard_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+then_stmts(  //dir=stmt
+  unique int id: @then_stmt,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+for_each_stmt_variables(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@macro_role_or_none =
+  @macro_role
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_expr_or_none =
+  @type_expr
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/swift.dbscheme b/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/swift.dbscheme
new file mode 100644
index 000000000000..be2357fd0023
--- /dev/null
+++ b/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/swift.dbscheme
@@ -0,0 +1,2815 @@
+// generated by codegen/codegen.py, do not edit
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @callable
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @macro_role
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+macro_roles(
+  unique int id: @macro_role,
+  int kind: int ref,
+  int macro_syntax: int ref
+);
+
+#keyset[id, index]
+macro_role_conformances(
+  int id: @macro_role ref,
+  int index: int ref,
+  int conformance: @type_expr_or_none ref
+);
+
+#keyset[id, index]
+macro_role_names(
+  int id: @macro_role ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @macro_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @macro_decl
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+macro_decls(  //dir=decl
+  unique int id: @macro_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+macro_decl_parameters(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int parameter: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+macro_decl_roles(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int role: @macro_role_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @current_context_isolation_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @extract_function_isolation_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @materialize_pack_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+current_context_isolation_exprs(  //dir=expr
+  unique int id: @current_context_isolation_expr,
+  int actor: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+extract_function_isolation_exprs(  //dir=expr
+  unique int id: @extract_function_isolation_expr,
+  int function_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @actor_isolation_erasure_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unreachable_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+materialize_pack_exprs(  //dir=expr
+  unique int id: @materialize_pack_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+actor_isolation_erasure_exprs(  //dir=expr
+  unique int id: @actor_isolation_erasure_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unreachable_exprs(  //dir=expr
+  unique int id: @unreachable_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+#keyset[id]
+pattern_types(  //dir=pattern
+  int id: @pattern ref,
+  int type_: @type_or_none ref
+);
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @discard_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @then_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+discard_stmts(  //dir=stmt
+  unique int id: @discard_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+then_stmts(  //dir=stmt
+  unique int id: @then_stmt,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+for_each_stmt_variables(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@macro_role_or_none =
+  @macro_role
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_expr_or_none =
+  @type_expr
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/upgrade.properties b/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/upgrade.properties
new file mode 100644
index 000000000000..f09284fb3d45
--- /dev/null
+++ b/swift/ql/lib/upgrades/33db81ad4b606ff9a476c8dabeb9fffbf61aa829/upgrade.properties
@@ -0,0 +1,2 @@
+description: Add `ExtracFunctionIsolationExpr`, `CurrentContextIsolationExpr`, `ActorIsolationErasureExpr` and `UnreachableExpr`.
+compatibility: full
diff --git a/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr.expected b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr.expected
new file mode 100644
index 000000000000..aabc59fac994
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr.expected
@@ -0,0 +1 @@
+| extract_function_isolation.swift:2:21:2:23 | ExtractFunctionIsolationExpr | hasType: | yes | getFunctionExpr: | extract_function_isolation.swift:2:21:2:21 | x |
diff --git a/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr.ql b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr.ql
new file mode 100644
index 000000000000..f133b61f9b67
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr.ql
@@ -0,0 +1,11 @@
+// generated by codegen/codegen.py, do not edit
+import codeql.swift.elements
+import TestUtils
+
+from ExtractFunctionIsolationExpr x, string hasType, Expr getFunctionExpr
+where
+  toBeTested(x) and
+  not x.isUnknown() and
+  (if x.hasType() then hasType = "yes" else hasType = "no") and
+  getFunctionExpr = x.getFunctionExpr()
+select x, "hasType:", hasType, "getFunctionExpr:", getFunctionExpr
diff --git a/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr_getType.expected b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr_getType.expected
new file mode 100644
index 000000000000..2c6a32f914c0
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr_getType.expected
@@ -0,0 +1 @@
+| extract_function_isolation.swift:2:21:2:23 | ExtractFunctionIsolationExpr | (any Actor)? |
diff --git a/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr_getType.ql b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr_getType.ql
new file mode 100644
index 000000000000..b7e9c6a7ba0c
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/ExtractFunctionIsolationExpr_getType.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py, do not edit
+import codeql.swift.elements
+import TestUtils
+
+from ExtractFunctionIsolationExpr x
+where toBeTested(x) and not x.isUnknown()
+select x, x.getType()
diff --git a/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/extract_function_isolation.swift b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/extract_function_isolation.swift
new file mode 100644
index 000000000000..fb5dcb52c083
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/ExtractFunctionIsolationExpr/extract_function_isolation.swift
@@ -0,0 +1,3 @@
+func foo(x: @isolated(any) () -> ()) {
+    let isolation = x.isolation
+}
diff --git a/swift/schema.py b/swift/schema.py
index 7c2cebb594da..d99a00c2e67d 100644
--- a/swift/schema.py
+++ b/swift/schema.py
@@ -1425,3 +1425,41 @@ class DiscardStmt(Stmt):
     ```
     """
     sub_expr: Expr | child
+
+
+class ExtractFunctionIsolationExpr(Expr):
+    """
+    An expression that extracts the function isolation of an expression with `@isolated(any)`
+    function type.
+
+    For example:
+    ```
+    func foo(x: @isolated(any) () -> ()) {
+        let isolation = x.isolation
+    }
+    ```
+    """
+    function_expr: Expr | child
+
+
+@qltest.skip
+class CurrentContextIsolationExpr(Expr):
+    """
+    An expression that extracts the actor isolation of the current context, of type `(any Actor)?`.
+    This is synthesized by the type checker and does not have any way to be expressed explicitly in
+    the source.
+    """
+    actor: Expr
+
+
+class ActorIsolationErasureExpr(ImplicitConversionExpr):
+    """
+    A conversion that erases the actor isolation of an expression with `@isolated(any)` function
+    type.
+    """
+
+
+class UnreachableExpr(ImplicitConversionExpr):
+    """
+    A conversion from the uninhabited type to any other type. It's never evaluated.
+    """