Preconditions (*)

1. Magento 2.4.0 Open Source
2. Magento 2.4-develop

Steps to reproduce (*)

     /**
     * Get ID
     *
     * @return int|null
     */
    public function getId();

in src/vendor/magento/module-cms/Api/Data/BlockInterface.php

getId() returns a string.

Expected result (*)

\Magento\Cms\Model\Block::getId should cast the value to int before return

Actual result (*)

1.Return of string

Please provide Severity assessment for the Issue as Reporter. This information will help during Confirmation and Issue triage processes.

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• [ x ] Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.