apply {
        informationalResponses += response
      }

    fun add100Continue() =
      apply {
        addInformationalResponse(MockResponse(code = 100))
      }

    public override fun clone(): Builder = build().newBuilder()

    fun build(): MockResponse = MockResponse(this)
  }

  @ExperimentalOkHttpApi
  companion object {

    private set

  val pushPromises: List<PushPromise>
    get() = promises

  init {
    setResponseCode(200)
    setHeader("Content-Length", 0L)
  }

  public override fun clone(): MockResponse {
    val result = super.clone() as MockResponse
    result.headersBuilder = headersBuilder.build().newBuilder()
    result.promises = promises.toMutableList()
    return result
  }