根据代码中的注释生成 RESTful 风格的 API 文档。注释示例： ``` /** * @api {get} /user/:id Request User information * @apiName GetUser * @apiGroup User * * @apiParam {Number} id User's unique ID. * * @apiSuccess {String} firstname Firstname of the User. * @apiSuccess {String} lastname Lastname of the User. */ ```