block.schema.yml in core/modules/block/config/schema/block.schema.yml
core/modules/block/config/schema/block.schema.yml
ContextualLinkManagerTest::testPluginDefinitionAlter in core/tests/Drupal/Tests/Core/Menu/ContextualLinkManagerTest.php
Tests the plugins alter hook.
DefaultPluginManagerTest::testDefaultPluginManager in core/tests/Drupal/KernelTests/Core/Plugin/DefaultPluginManagerTest.php
Tests annotations and attributes on the default plugin manager.
FieldDefinitionIntegrityTest::testFieldPluginDefinitionIntegrity in core/modules/field/tests/src/Kernel/FieldDefinitionIntegrityTest.php
Tests the integrity of field plugin definitions.
LayoutPluginManagerTest::setUpFilesystem in core/tests/Drupal/Tests/Core/Layout/LayoutPluginManagerTest.php
Sets up the filesystem with YAML files and annotated plugins.
search.schema.yml in core/modules/search/config/schema/search.schema.yml
core/modules/search/config/schema/search.schema.yml
system.schema.yml in core/modules/system/config/schema/system.schema.yml
core/modules/system/config/schema/system.schema.yml
tour.schema.yml in core/modules/tour/config/schema/tour.schema.yml
core/modules/tour/config/schema/tour.schema.yml