7 files declare their use of ValidatorInterface in Plug 7

Abstract2Dot5ApiTest.php in lib/Symfony/validator/Symfony/Component/Validator/Tests/Validator/Abstract2Dot5ApiTest.php

ExecutionContext.php in lib/Symfony/validator/Symfony/Component/Validator/Context/ExecutionContext.php

ExecutionContextFactory.php in lib/Symfony/validator/Symfony/Component/Validator/Context/ExecutionContextFactory.php

ExecutionContextFactoryInterface.php in lib/Symfony/validator/Symfony/Component/Validator/Context/ExecutionContextFactoryInterface.php

ExecutionContextInterface.php in lib/Symfony/validator/Symfony/Component/Validator/Context/ExecutionContextInterface.php

LegacyExecutionContext.php in lib/Symfony/validator/Symfony/Component/Validator/Context/LegacyExecutionContext.php

LegacyExecutionContextFactory.php in lib/Symfony/validator/Symfony/Component/Validator/Context/LegacyExecutionContextFactory.php