'AppId', 'groupId' => 'GroupId', 'userIdListShrink' => 'UserIdList', ]; public function validate() { } public function toMap() { $res = []; if (null !== $this->appId) { $res['AppId'] = $this->appId; } if (null !== $this->groupId) { $res['GroupId'] = $this->groupId; } if (null !== $this->userIdListShrink) { $res['UserIdList'] = $this->userIdListShrink; } return $res; } /** * @param array $map * * @return ListMessageGroupUserByIdShrinkRequest */ public static function fromMap($map = []) { $model = new self(); if (isset($map['AppId'])) { $model->appId = $map['AppId']; } if (isset($map['GroupId'])) { $model->groupId = $map['GroupId']; } if (isset($map['UserIdList'])) { $model->userIdListShrink = $map['UserIdList']; } return $model; } }