@Override public <A extends Action<R>, R extends Result> boolean removeActionHandlerValidator(Class<A> actionClass) { ActionHandlerValidatorInstance instance = actionHandlerValidatorInstances.remove(actionClass); if (instance != null) { if (!containValidator(instance.getActionValidator())) { return validators.remove(instance.getActionValidator().getClass()) != null; } } else { return false; } return actionHandlerValidatorInstances.remove(actionClass) != null; }