delete(names) {
    const map = this._parsed;
    const result = !Array.isArray(names) ? map.delete(names) : names.map((name) => map.delete(name));
    this._headers.set(
      "cookie",
      Array.from(map).map(([_, value]) => stringifyCookie(value)).join("; ")
    );
    return result;
  }
Delete the cookies matching the passed name or names in the request.