docs: public synchronized void unregisterValidatorModule(IValidatorModule theValidator) {
  		Validate.notNull(theValidator, "theValidator must not be null");
  		ArrayList<IValidatorModule> newValidators = new ArrayList<IValidatorModule>(myValidators.size() + 1);
  		newValidators.addAll(myValidators);
  		newValidators.remove(theValidator);
  
  		myValidators = newValidators;
  	}