core/includes/file.inc core/modules/simpletest/simpletest.module core/modules/system/config/system.date.yml core/modules/system/config/system.file.yml core/modules/system/config/system.image.gd.yml core/modules/system/config/system.maintenance.yml core/modules/system/config/system.module.yml core/modules/system/config/system.performance.yml core/modules/system/config/system.theme.global.yml core/modules/system/config/system.theme.yml core/modules/system/lib/Drupal/system/Tests/File/DirectoryTest.php core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php core/modules/system/lib/Drupal/system/Tests/File/UnmanagedCopyTest.php core/modules/system/lib/Drupal/system/Tests/File/UnmanagedMoveTest.php core/modules/system/lib/Drupal/system/Tests/File/UnmanagedSaveDataTest.php core/modules/system/tests/modules/entity_test/config/entity.view_mode.entity_test_render.full.yml core/modules/system/tests/modules/entity_test/config/entity.view_mode.entity_test_render.test.yml core/modules/system/tests/modules/update_script_test/config/update_script_test.settings.yml