+ classes `BasePostKey`, `PostKeyWithParent`, `(Sub)?Reply` & `Thread… #216

Job	Run time
runs-on (macos-latest) / phpmd	1m 38s
runs-on (macos-latest) / php-cs-fixer	1m 23s
runs-on (macos-latest) / phan	1m 21s
runs-on (macos-latest) / phpcs	1m 21s
runs-on (macos-latest) / phpstan	1m 29s
runs-on (macos-latest) / pint	1m 19s
runs-on (macos-latest) / psalm	1m 33s
runs-on (macos-latest) / phpunit-infection	2m 32s
runs-on (ubuntu-latest) / phan	35s
runs-on (ubuntu-latest) / php-cs-fixer	19s
runs-on (ubuntu-latest) / phpcs	19s
runs-on (ubuntu-latest) / phpmd	29s
runs-on (ubuntu-latest) / phpstan	23s
runs-on (ubuntu-latest) / phpunit-infection	1m 10s
runs-on (ubuntu-latest) / pint	21s
runs-on (ubuntu-latest) / psalm	24s
runs-on (windows-latest) / phan	1m 54s
runs-on (windows-latest) / phpcs	58s
runs-on (windows-latest) / php-cs-fixer	57s
runs-on (windows-latest) / phpmd	1m 1s
runs-on (windows-latest) / phpstan	1m 18s
runs-on (windows-latest) / phpunit-infection	2m 11s
runs-on (windows-latest) / pint	57s
runs-on (windows-latest) / psalm	57s
	26m 49s

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