protected function _createValidator($spec, $context, $removeNotPresentFields)
 {
     $validator = parent::_createValidator($spec, $context, $removeNotPresentFields);
     $validator->addPrefixPath("\\Core\\Model\\Validate\\", APPLICATION_PATH . "/modules/core/models/Validate/", \App_Validate_Collection::VALIDATE);
     return $validator;
 }