35 files declare their use of ContextDefinition

ContextAwarePluginBaseTest.php in core/tests/Drupal/KernelTests/Core/Plugin/Context/ContextAwarePluginBaseTest.php
ContextDefinitionIsSatisfiedTest.php in core/tests/Drupal/Tests/Core/Plugin/Context/ContextDefinitionIsSatisfiedTest.php
ContextDefinitionTest.php in core/tests/Drupal/KernelTests/Core/Plugin/Annotation/ContextDefinitionTest.php
ContextDefinitionTest.php in core/tests/Drupal/KernelTests/Core/Plugin/ContextDefinitionTest.php
ContextDefinitionTest.php in core/tests/Drupal/Tests/Core/Plugin/Context/ContextDefinitionTest.php
ContextHandlerTest.php in core/tests/Drupal/Tests/Core/Plugin/ContextHandlerTest.php
Contains \Drupal\Tests\Core\Plugin\ContextHandlerTest.
ContextTypedDataTest.php in core/tests/Drupal/KernelTests/Core/Plugin/ContextTypedDataTest.php
CurrentLanguageContext.php in core/lib/Drupal/Core/Language/ContextProvider/CurrentLanguageContext.php
DefaultPluginManagerTest.php in core/tests/Drupal/Tests/Core/Plugin/DefaultPluginManagerTest.php
DefaultsSectionStorageTest.php in core/modules/layout_builder/tests/src/Unit/DefaultsSectionStorageTest.php
DefaultsSectionStorageTest.php in core/modules/layout_builder/tests/src/Kernel/DefaultsSectionStorageTest.php
EntityContextDefinitionDeprecationTest.php in core/tests/Drupal/Tests/Core/Plugin/Context/EntityContextDefinitionDeprecationTest.php
EntityContextDefinitionIsSatisfiedTest.php in core/tests/Drupal/Tests/Core/Plugin/Context/EntityContextDefinitionIsSatisfiedTest.php
EntityConverter.php in core/lib/Drupal/Core/ParamConverter/EntityConverter.php
EntityConverterTest.php in core/tests/Drupal/Tests/Core/ParamConverter/EntityConverterTest.php
EntityRepositoryTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityRepositoryTest.php
FakeViewModeContext.php in core/modules/layout_builder/tests/modules/layout_builder_fieldblock_test/src/ContextProvider/FakeViewModeContext.php
FieldBlockDeriver.php in core/modules/layout_builder/src/Plugin/Derivative/FieldBlockDeriver.php
FieldBlockTest.php in core/modules/layout_builder/tests/src/Kernel/FieldBlockTest.php
InheritedContextDefinition.php in core/tests/Drupal/Tests/Core/Plugin/Fixtures/InheritedContextDefinition.php
LayoutBuilderEntityViewDisplay.php in core/modules/layout_builder/src/Entity/LayoutBuilderEntityViewDisplay.php
LayoutEntityHelperTrait.php in core/modules/layout_builder/src/LayoutEntityHelperTrait.php
LazyContextRepositoryTest.php in core/tests/Drupal/Tests/Core/Plugin/Context/LazyContextRepositoryTest.php
MockBlockManager.php in core/modules/system/tests/modules/plugin_test/src/Plugin/MockBlockManager.php
NumericArgument.php in core/modules/views/src/Plugin/views/argument/NumericArgument.php
NumericArgumentValidator.php in core/modules/views/src/Plugin/views/argument_validator/NumericArgumentValidator.php
OverridesSectionStorage.php in core/modules/layout_builder/src/Plugin/SectionStorage/OverridesSectionStorage.php
OverridesSectionStorageTest.php in core/modules/layout_builder/tests/src/Kernel/OverridesSectionStorageTest.php
QuickEditIntegration.php in core/modules/layout_builder/src/QuickEditIntegration.php
SectionStorageBase.php in core/modules/layout_builder/src/Plugin/SectionStorage/SectionStorageBase.php
SectionStorageManagerTest.php in core/modules/layout_builder/tests/src/Unit/SectionStorageManagerTest.php
SimpleConfigSectionStorage.php in core/modules/layout_builder/tests/modules/layout_builder_test/src/Plugin/SectionStorage/SimpleConfigSectionStorage.php
SimpleConfigSectionStorageTest.php in core/modules/layout_builder/tests/src/Kernel/SimpleConfigSectionStorageTest.php
StringArgument.php in core/modules/views/src/Plugin/views/argument/StringArgument.php
TestPageDisplayVariantSubscriber.php in core/modules/system/tests/modules/display_variant_test/src/EventSubscriber/TestPageDisplayVariantSubscriber.php

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