declare namespace API {
  namespace User {
    interface Exception {
      cause?: Throwable;
      localizedMessage?: string;
      message?: string;
      stackTrace?: StackTraceElement[];
      suppressed?: Throwable[];
    }
    interface RestVo {
      code?: number;
      data?: { ... };
      exception?: Exception;
      message?: string;
    }
    /** login */
    namespace postAuthsLogin {
      type Query = {
        /** checkcode */
        code?: string;
        /** phone */
        mobile?: string;
        /** password */
        password?: string;
        /** account */
        username?: string;
      };

      type Response = RestVo;
    }
  }
  
  namespace File { ... }
  ...
}