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Description
As we know, newtonjson become standard for asp.net, but since .net core 3 we get System.Text.Json, how about to remove newtonjson dependency?
Some features (like JsonConstructor for example) will be supported only in 5.0, but we can do all stuff and without it.
System.Text.Json is part of .net core for now and even for asp.net core newtonjson is just option.
As solution we can separate all serialization stuff and realise system.text.json, newtonjson, and many other alternatives, if somebody need them.