24 files declare their use of TypedDataInterface in Zircon Profile 8

ComplexDataConstraintValidator.php in core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/ComplexDataConstraintValidator.php

Contains \Drupal\Core\Validation\Plugin\Validation\Constraint\ComplexDataConstraintValidator.

ConfigMapperManager.php in core/modules/config_translation/src/ConfigMapperManager.php

Contains \Drupal\config_translation\ConfigMapperManager.

ConfigMapperManagerTest.php in core/modules/config_translation/tests/src/Unit/ConfigMapperManagerTest.php

Contains \Drupal\Tests\config_translation\Unit\ConfigMapperManagerTest.

ConfigTranslationFormBase.php in core/modules/config_translation/src/Form/ConfigTranslationFormBase.php

Contains \Drupal\config_translation\Form\ConfigTranslationFormBase.

ContentEntityBase.php in core/lib/Drupal/Core/Entity/ContentEntityBase.php

Contains \Drupal\Core\Entity\ContentEntityBase.

Context.php in core/lib/Drupal/Core/Plugin/Context/Context.php

Contains \Drupal\Core\Plugin\Context\Context.

ContextTest.php in core/tests/Drupal/Tests/Core/Plugin/Context/ContextTest.php

Contains \Drupal\Tests\Core\Plugin\Context\ContextTest.

DateTimeComputed.php in core/modules/datetime/src/DateTimeComputed.php

Contains \Drupal\datetime\DateTimeComputed.

ElementInterface.php in core/modules/config_translation/src/FormElement/ElementInterface.php

Contains \Drupal\config_translation\FormElement\ElementInterface.

EntityContentBase.php in core/modules/migrate/src/Plugin/migrate/destination/EntityContentBase.php

Contains \Drupal\migrate\Plugin\migrate\destination\EntityContentBase.

EntityFieldTest.php in core/modules/system/src/Tests/Entity/EntityFieldTest.php

Contains \Drupal\system\Tests\Entity\EntityFieldTest.

EntityReferenceFieldItemNormalizerTest.php in core/modules/serialization/tests/src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php

Contains \Drupal\Tests\serialization\Unit\Normalizer\EntityReferenceFieldItemNormalizerTest.

FieldItemBase.php in core/lib/Drupal/Core/Field/FieldItemBase.php

Contains \Drupal\Core\Field\FieldItemBase.

FieldTestItem.php in core/modules/system/tests/modules/entity_test/src/Plugin/Field/FieldType/FieldTestItem.php

Contains \Drupal\entity_test\Plugin\Field\FieldType\FieldTestItem.

FormElementBase.php in core/modules/config_translation/src/FormElement/FormElementBase.php

Contains \Drupal\config_translation\FormElement\FormElementBase.

ItemList.php in core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php

Contains \Drupal\Core\TypedData\Plugin\DataType\ItemList.

ListElement.php in core/modules/config_translation/src/FormElement/ListElement.php

Contains \Drupal\config_translation\FormElement\ListElement.

LocaleConfigManager.php in core/modules/locale/src/LocaleConfigManager.php

Contains \Drupal\locale\LocaleConfigManager.

RecursiveContextualValidator.php in core/lib/Drupal/Core/TypedData/Validation/RecursiveContextualValidator.php

Contains \Drupal\Core\TypedData\Validation\RecursiveContextualValidator.

RecursiveValidator.php in core/lib/Drupal/Core/TypedData/Validation/RecursiveValidator.php

Contains \Drupal\Core\TypedData\Validation\RecursiveValidator.

TextProcessed.php in core/modules/text/src/TextProcessed.php

Contains \Drupal\text\TextProcessed.

TypedDataAwareValidatorTrait.php in core/lib/Drupal/Core/TypedData/Validation/TypedDataAwareValidatorTrait.php

Contains \Drupal\Core\TypedData\Validation\TypedDataAwareValidatorTrait.

TypedDataMetadata.php in core/lib/Drupal/Core/TypedData/Validation/TypedDataMetadata.php

Contains \Drupal\Core\TypedData\Validation\TypedDataMetadata.

TypedDataTest.php in core/modules/system/src/Tests/TypedData/TypedDataTest.php

Contains \Drupal\system\Tests\TypedData\TypedDataTest.