code: private function overrideValidates()
      {
          if (count($this->overrideRules) > 0) {
              foreach ($this->overrideRules as $field => $value) {
                  if (empty($value) || is_int($field)) {
                      continue;
                  }
                  
                  $this->rules[$field] = $value;
              }
          }
      }
docs: Set the validation rules that apply to the request.
  
  @return array