101 files declare their use of NestedArray in Drupal 10
- admin.inc in core/modules/ views_ui/ admin.inc 
- Provides the Views' administrative interface.
- AssetResolver.php in core/lib/ Drupal/ Core/ Asset/ AssetResolver.php 
- Attribute.php in core/lib/ Drupal/ Core/ Template/ Attribute.php 
- AttributeHelper.php in core/lib/ Drupal/ Core/ Template/ AttributeHelper.php 
- BlockPluginTrait.php in core/lib/ Drupal/ Core/ Block/ BlockPluginTrait.php 
- BubbleableMetadata.php in core/lib/ Drupal/ Core/ Render/ BubbleableMetadata.php 
- CKEditor4to5UpgradeCompletenessTest.php in core/modules/ ckeditor5/ tests/ src/ Kernel/ CKEditor4to5UpgradeCompletenessTest.php 
- CKEditor5.php in core/modules/ ckeditor5/ src/ Plugin/ Editor/ CKEditor5.php 
- CKEditor5PluginManager.php in core/modules/ ckeditor5/ src/ Plugin/ CKEditor5PluginManager.php 
- CKEditorPluginManager.php in core/modules/ ckeditor/ src/ CKEditorPluginManager.php 
- claro.theme in core/themes/ claro/ claro.theme 
- Functions to support theming in the Claro theme.
- ClientFactory.php in core/lib/ Drupal/ Core/ Http/ ClientFactory.php 
- CommentLinkBuilder.php in core/modules/ comment/ src/ CommentLinkBuilder.php 
- CommentTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ CommentTest.php 
- CommonCollectionFilterAccessTestPatternsTrait.php in core/modules/ jsonapi/ tests/ src/ Traits/ CommonCollectionFilterAccessTestPatternsTrait.php 
- Config.php in core/lib/ Drupal/ Core/ Config/ Config.php 
- ConfigBase.php in core/lib/ Drupal/ Core/ Config/ ConfigBase.php 
- ConfigEntityBase.php in core/lib/ Drupal/ Core/ Config/ Entity/ ConfigEntityBase.php 
- ConfigEntityDependency.php in core/lib/ Drupal/ Core/ Config/ Entity/ ConfigEntityDependency.php 
- ConfigFactory.php in core/lib/ Drupal/ Core/ Config/ ConfigFactory.php 
- ConfigModuleOverridesEvent.php in core/lib/ Drupal/ Core/ Config/ ConfigModuleOverridesEvent.php 
- ConfigurableLanguageTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ ConfigurableLanguageTest.php 
- ConfigurableSearchPluginBase.php in core/modules/ search/ src/ Plugin/ ConfigurableSearchPluginBase.php 
- DateElementBase.php in core/lib/ Drupal/ Core/ Datetime/ Element/ DateElementBase.php 
- Datelist.php in core/lib/ Drupal/ Core/ Datetime/ Element/ Datelist.php 
- Datetime.php in core/lib/ Drupal/ Core/ Datetime/ Element/ Datetime.php 
- DefaultPluginManager.php in core/lib/ Drupal/ Core/ Plugin/ DefaultPluginManager.php 
- DefaultsSectionStorage.php in core/modules/ layout_builder/ src/ Plugin/ SectionStorage/ DefaultsSectionStorage.php 
- EditorSelector.php in core/modules/ quickedit/ src/ EditorSelector.php 
- EntityConfigBase.php in core/modules/ migrate/ src/ Plugin/ migrate/ destination/ EntityConfigBase.php 
- EntityReferenceItem.php in core/lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldType/ EntityReferenceItem.php 
- EntityResourceTestBase.php in core/modules/ rest/ tests/ src/ Functional/ EntityResource/ EntityResourceTestBase.php 
- EntityTestViewsData.php in core/modules/ system/ tests/ modules/ entity_test/ src/ EntityTestViewsData.php 
- EntityViewDisplay.php in core/lib/ Drupal/ Core/ Entity/ Entity/ EntityViewDisplay.php 
- EntityViewsData.php in core/modules/ views/ src/ EntityViewsData.php 
- Extract.php in core/modules/ migrate/ src/ Plugin/ migrate/ process/ Extract.php 
- FieldDefinitionIntegrityTest.php in core/modules/ field/ tests/ src/ Kernel/ FieldDefinitionIntegrityTest.php 
- FieldResolver.php in core/modules/ jsonapi/ src/ Context/ FieldResolver.php 
- file.module in core/modules/ file/ file.module 
- Defines a "managed_file" Form API field and a "file" field for Field module.
- FileTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ FileTest.php 
- FileUploadResourceTestBase.php in core/modules/ rest/ tests/ src/ Functional/ FileUploadResourceTestBase.php 
- FileUploadTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ FileUploadTest.php 
- FileWidget.php in core/modules/ file/ src/ Plugin/ Field/ FieldWidget/ FileWidget.php 
- FilterPluginCollection.php in core/modules/ filter/ src/ FilterPluginCollection.php 
- FormBuilder.php in core/lib/ Drupal/ Core/ Form/ FormBuilder.php 
- FormBuilderTest.php in core/tests/ Drupal/ Tests/ Core/ Form/ FormBuilderTest.php 
- Contains \Drupal\Tests\Core\Form\FormBuilderTest.
- FormErrorHandler.php in core/lib/ Drupal/ Core/ Form/ FormErrorHandler.php 
- FormState.php in core/lib/ Drupal/ Core/ Form/ FormState.php 
- FormStateValuesTrait.php in core/lib/ Drupal/ Core/ Form/ FormStateValuesTrait.php 
- FormValidator.php in core/lib/ Drupal/ Core/ Form/ FormValidator.php 
- InlineBlock.php in core/modules/ layout_builder/ src/ Plugin/ Block/ InlineBlock.php 
- LayoutBuilderHtmlEntityFormController.php in core/modules/ layout_builder/ src/ Controller/ LayoutBuilderHtmlEntityFormController.php 
- LayoutBuilderIntegration.php in core/modules/ quickedit/ src/ LayoutBuilderIntegration.php 
- LayoutBuilderRoutesTrait.php in core/modules/ layout_builder/ src/ Routing/ LayoutBuilderRoutesTrait.php 
- LayoutDefault.php in core/lib/ Drupal/ Core/ Layout/ LayoutDefault.php 
- LayoutRestTestBase.php in core/modules/ layout_builder/ tests/ src/ Functional/ Rest/ LayoutRestTestBase.php 
- LibraryDiscoveryCollector.php in core/lib/ Drupal/ Core/ Asset/ LibraryDiscoveryCollector.php 
- LibraryDiscoveryParser.php in core/lib/ Drupal/ Core/ Asset/ LibraryDiscoveryParser.php 
- Link.php in core/lib/ Drupal/ Core/ Render/ Element/ Link.php 
- LocaleConfigManager.php in core/modules/ locale/ src/ LocaleConfigManager.php 
- MachineName.php in core/lib/ Drupal/ Core/ Render/ Element/ MachineName.php 
- ManagedFile.php in core/modules/ file/ src/ Element/ ManagedFile.php 
- MediaLibraryWidget.php in core/modules/ media_library/ src/ Plugin/ Field/ FieldWidget/ MediaLibraryWidget.php 
- MediaResourceTestBase.php in core/modules/ media/ tests/ src/ Functional/ Rest/ MediaResourceTestBase.php 
- MediaSourceBase.php in core/modules/ media/ src/ MediaSourceBase.php 
- MenuForm.php in core/modules/ menu_ui/ src/ MenuForm.php 
- MenuLinkContentTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ MenuLinkContentTest.php 
- MenuLinkManager.php in core/lib/ Drupal/ Core/ Menu/ MenuLinkManager.php 
- MenuLinkTree.php in core/lib/ Drupal/ Core/ Menu/ MenuLinkTree.php 
- MessageTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ MessageTest.php 
- Migration.php in core/modules/ migrate/ src/ Plugin/ Migration.php 
- ModuleHandler.php in core/lib/ Drupal/ Core/ Extension/ ModuleHandler.php 
- NestedArrayTest.php in core/tests/ Drupal/ Tests/ Component/ Utility/ NestedArrayTest.php 
- NodeTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ NodeTest.php 
- Plugin.php in core/lib/ Drupal/ Component/ Annotation/ Plugin.php 
- PluginDependencyTrait.php in core/lib/ Drupal/ Core/ Plugin/ PluginDependencyTrait.php 
- Registry.php in core/lib/ Drupal/ Core/ Theme/ Registry.php 
- Relationship.php in core/modules/ jsonapi/ src/ JsonApiResource/ Relationship.php 
- ResourceTestBase.php in core/modules/ jsonapi/ tests/ src/ Functional/ ResourceTestBase.php 
- RestPermissions.php in core/modules/ rest/ src/ RestPermissions.php 
- Row.php in core/modules/ migrate/ src/ Row.php 
- SelectionPluginBase.php in core/lib/ Drupal/ Core/ Entity/ EntityReferenceSelection/ SelectionPluginBase.php 
- ShortcutTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ ShortcutTest.php 
- SmartDefaultSettingsTest.php in core/modules/ ckeditor5/ tests/ src/ Unit/ SmartDefaultSettingsTest.php 
- StaticMap.php in core/modules/ migrate/ src/ Plugin/ migrate/ process/ StaticMap.php 
- SubformState.php in core/lib/ Drupal/ Core/ Form/ SubformState.php 
- SubformStateTest.php in core/tests/ Drupal/ Tests/ Core/ Form/ SubformStateTest.php 
- SystemCompactLink.php in core/lib/ Drupal/ Core/ Render/ Element/ SystemCompactLink.php 
- TermTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ TermTest.php 
- Test.php in core/modules/ media/ tests/ modules/ media_test_source/ src/ Plugin/ media/ Source/ Test.php 
- TestDiscovery.php in core/lib/ Drupal/ Core/ Test/ TestDiscovery.php 
- TypedConfigManager.php in core/lib/ Drupal/ Core/ Config/ TypedConfigManager.php 
- UnitTestCase.php in core/tests/ Drupal/ Tests/ UnitTestCase.php 
- UnroutedUrlAssembler.php in core/lib/ Drupal/ Core/ Utility/ UnroutedUrlAssembler.php 
- Url.php in core/lib/ Drupal/ Core/ Url.php 
- UserTest.php in core/modules/ jsonapi/ tests/ src/ Functional/ UserTest.php 
- View.php in core/modules/ views/ src/ Entity/ View.php 
- views.views.inc in core/modules/ views/ views.views.inc 
- Provide views data that isn't tied to any other module.
- ViewsData.php in core/modules/ views/ src/ ViewsData.php 
- WidgetBase.php in core/lib/ Drupal/ Core/ Field/ WidgetBase.php 
- WizardPluginBase.php in core/modules/ views/ src/ Plugin/ views/ wizard/ WizardPluginBase.php 
