code: func (sm serverMethod) HasReqValidator() bool {
  	jsObj, ok := jsObjects[sm.reqBody]
  	if !ok {
  		return false
  	}
  
  	return !commons.IsBuiltinType(jsObj.T.TypeString())
  }
docs: // HasReqValidator returns true if this method
  // has request body validator:
  // if request body is not builtin type