Method error

src/onebot11/action/OB11Response.ts:24–30

(err: string, retcode: number, echo?: unknown)

  }

  static error(err: string, retcode: number, echo?: unknown) {
    const res = OB11Response.res(null, 'failed', retcode, err)
    if (!isNullable(echo)) {
      res.echo = echo
    }
    return res
  }
}