SocketPolicy.FAIL_HANDSHAKE -> result.failHandshake()
    SocketPolicy.SHUTDOWN_INPUT_AT_END ->
      result.onResponseEnd(
        CloseSocket(
          closeSocket = false,
          shutdownInput = true,
        ),
      )
    SocketPolicy.SHUTDOWN_OUTPUT_AT_END ->
      result.onResponseEnd(
        CloseSocket(
          closeSocket = false,
          shutdownOutput = true,
        ),
      )

 */
public sealed interface SocketEffect {
  /**
   * Close the TCP socket that carries this request.
   *
   * Using this as [MockResponse.onResponseEnd] is the default for HTTP/1.0.
   */
  public class CloseSocket(
    public val closeSocket: Boolean = true,
    public val shutdownInput: Boolean = false,
    public val shutdownOutput: Boolean = false,

            chain.proceed(chain.request())
          },
        ).build()

    server.enqueue(
      MockResponse
        .Builder()
        .body("a")
        .onResponseEnd(
          CloseSocket(
            closeSocket = false,
            shutdownOutput = true,
          ),
        ).build(),
    )
    server.enqueue(MockResponse(body = "b"))