13 files declare their use of ValidatorInterface in Zircon Profile 8

Abstract2Dot5ApiTest.php in vendor/symfony/validator/Tests/Validator/Abstract2Dot5ApiTest.php

ExecutionContext.php in vendor/symfony/validator/Context/ExecutionContext.php

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

Contains \Drupal\Core\TypedData\Validation\ExecutionContext.

ExecutionContextFactory.php in vendor/symfony/validator/Context/ExecutionContextFactory.php

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

Contains \Drupal\Core\TypedData\Validation\ExecutionContextFactory.

ExecutionContextFactoryInterface.php in vendor/symfony/validator/Context/ExecutionContextFactoryInterface.php

ExecutionContextInterface.php in vendor/symfony/validator/Context/ExecutionContextInterface.php

LegacyExecutionContext.php in vendor/symfony/validator/Context/LegacyExecutionContext.php

LegacyExecutionContextFactory.php in vendor/symfony/validator/Context/LegacyExecutionContextFactory.php

QuickEditFieldForm.php in core/modules/quickedit/src/Form/QuickEditFieldForm.php

Contains \Drupal\quickedit\Form\QuickEditFieldForm.

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

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

TypedDataManager.php in core/lib/Drupal/Core/TypedData/TypedDataManager.php

Contains \Drupal\Core\TypedData\TypedDataManager.

TypedDataManagerInterface.php in core/lib/Drupal/Core/TypedData/TypedDataManagerInterface.php

Contains \Drupal\Core\TypedData\TypedDataManagerInterface.