• 状态码 数字-HTTP响应代码.
• 头部对象-一个包含响应头的对象.
• 数据可读流-一个表示响应正文的Node.js可读流.

StreamProtocolResponse Object

• statusCode Number - The HTTP response code.
• headers Object - An object containing the response headers.
• data ReadableStream - A Node.js readable stream representing the response body.