6 files declare their use of ConstraintViolation in Plug 7

AbstractConstraintValidatorTest.php in lib/Symfony/validator/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php

ConstraintViolationBuilder.php in lib/Symfony/validator/Symfony/Component/Validator/Violation/ConstraintViolationBuilder.php

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

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

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

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