38 files declare their use of ContentLanguageSettings

BlockContentTypeForm.php in core/modules/block_content/src/BlockContentTypeForm.php
CommentTypeForm.php in core/modules/comment/src/CommentTypeForm.php
ConfigurableLanguageManagerTest.php in core/modules/language/tests/src/Functional/ConfigurableLanguageManagerTest.php
ContentImportTest.php in core/tests/Drupal/FunctionalTests/DefaultContent/ContentImportTest.php
ContentLanguageSettingsForm.php in core/modules/language/src/Form/ContentLanguageSettingsForm.php
ContentLanguageSettingsResourceTestBase.php in core/modules/language/tests/src/Functional/Rest/ContentLanguageSettingsResourceTestBase.php
ContentLanguageSettingsTest.php in core/modules/jsonapi/tests/src/Functional/ContentLanguageSettingsTest.php
ContentLanguageSettingsUnitTest.php in core/modules/language/tests/src/Unit/ContentLanguageSettingsUnitTest.php
ContentLanguageSettingsValidationTest.php in core/modules/language/tests/src/Kernel/ContentLanguageSettingsValidationTest.php
ContentTranslationDeleteAccess.php in core/modules/content_translation/src/Access/ContentTranslationDeleteAccess.php
ContentTranslationSettingsTest.php in core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php
entity.api.php in core/lib/Drupal/Core/Entity/entity.api.php
Hooks and documentation related to entities.
EntityDefaultLanguageTest.php in core/modules/language/tests/src/Kernel/EntityDefaultLanguageTest.php
FieldApiDataTest.php in core/modules/views/tests/src/Kernel/FieldApiDataTest.php
JsonApiFunctionalMultilingualTest.php in core/modules/jsonapi/tests/src/Functional/JsonApiFunctionalMultilingualTest.php
language.module in core/modules/language/language.module
Add language handling functionality to Drupal.
LanguageConfigurationElement.php in core/modules/language/tests/language_elements_test/src/Form/LanguageConfigurationElement.php
LanguageConfigurationElementTest.php in core/modules/language/tests/src/Functional/LanguageConfigurationElementTest.php
LanguageTestTrait.php in core/modules/language/tests/src/Traits/LanguageTestTrait.php
LinksetControllerMultiLingualTest.php in core/modules/system/tests/src/Functional/Menu/LinksetControllerMultiLingualTest.php
MediaEntityMetadataApiTest.php in core/modules/ckeditor5/tests/src/Functional/MediaEntityMetadataApiTest.php
MediaTest.php in core/modules/ckeditor5/tests/src/FunctionalJavascript/MediaTest.php
MediaTypeForm.php in core/modules/media/src/MediaTypeForm.php
MenuUiLanguageTest.php in core/modules/menu_ui/tests/src/Functional/MenuUiLanguageTest.php
MigrateLanguageContentCommentSettingsNoEntityTranslationTest.php in core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentCommentSettingsNoEntityTranslationTest.php
MigrateLanguageContentCommentSettingsTest.php in core/modules/language/tests/src/Kernel/Migrate/d6/MigrateLanguageContentCommentSettingsTest.php
MigrateLanguageContentCommentSettingsTest.php in core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentCommentSettingsTest.php
MigrateLanguageContentMenuSettingsTest.php in core/modules/language/tests/src/Kernel/Migrate/d6/MigrateLanguageContentMenuSettingsTest.php
MigrateLanguageContentMenuSettingsTest.php in core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentMenuSettingsTest.php
MigrateLanguageContentSettingsTest.php in core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentSettingsTest.php
MigrateLanguageContentSettingsTest.php in core/modules/language/tests/src/Kernel/Migrate/d6/MigrateLanguageContentSettingsTest.php
MigrateLanguageContentTaxonomyVocabularySettingsTest.php in core/modules/language/tests/src/Kernel/Migrate/d6/MigrateLanguageContentTaxonomyVocabularySettingsTest.php
MigrateLanguageContentTaxonomyVocabularySettingsTest.php in core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentTaxonomyVocabularySettingsTest.php
NodeTypeForm.php in core/modules/node/src/NodeTypeForm.php
UsageTest.php in core/modules/file/tests/src/Kernel/UsageTest.php
VocabularyForm.php in core/modules/taxonomy/src/VocabularyForm.php
VocabularyLanguageTest.php in core/modules/taxonomy/tests/src/Functional/VocabularyLanguageTest.php
WildcardConfigActionsTest.php in core/tests/Drupal/KernelTests/Core/Recipe/WildcardConfigActionsTest.php

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