triggerByteCount = halfwayByteCount,
        ) {
          result.flush()
          handleSocketEffect(socketEffect, socket, stream)
        }
    }

    return result
  }

  /** Returns true if processing this exchange is complete. */
  private fun handleSocketEffect(
    effect: SocketEffect?,
    socket: MockWebServerSocket,
    stream: Http2Stream? = null,
  ): Boolean {