hferentschik/hibernate-validator — comment on commit daf96f2d524feaf62983bd7e8e7626e8bb02ea5a
File: hibernate-validator-integrationtest/src/test/java/org/hibernate/validator/integration/jbossas7/DefaultValidatorFactoryInPersistenceUnitIT.java line 92
By emmanuelbernard:

Likewise here, the container is free to wrap things so you might not have `ValidatorImpl`. Besides they might decide to consider this class module private and you would be screwed.