Issue #3239761 by alexpott, andypost: Fix MimeTypeTest to prevent deprecations in PHP 8.1 and fix \Drupal\Core\StreamWrapper\PrivateStream::basePath() documentation

Issue #3001309 by alexpott, Krzysztof Domański: Replace usages of UrlGeneratorTrait in non-api classes

Issue #2797639 by jzavrl, slashrsm, yobottehg, tassilogroeper, Yogesh Pawar, Berdir: For multi language private files FileDownloadController is used for the ImageStyle instead of ImageStyleDownloadController

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2522008 by pwolanin, nlisgo, Wim Leers, jplopezy: Provide a setting to override base url when creating links to public files

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2170235 by Berdir, penyaskito, larowlan, alexpott, sushyl: file_private_path should be in $settings, like file_public_path

Issue #2028109 by tim.plunkett, almaudoh, twistor, larowlan, slashrsm, Berdir, Arla, neclimdul, Cottser: Convert hook_stream_wrappers() to tagged services.

Issue #2340251 by iMiksu, alexpott, tim.plunkett, dawehner, Wim Leers: Remove most remaining url() calls.

Issue #1496480 by mrf, disasm, kbasarab, pfrenssen, cam8001, typhonius, Letharion, ACF, vijaycs85, heyrocker, Berdir, alexpott: Convert file system settings to the new configuration system.

This reverts commit 2d6fdda1.