var first = true

        override fun createSocket(): Socket {
          if (first) {
            first = false
            firstConnectLatch.await()
          }
          return super.createSocket()
        }
      }

    client =
      client.newBuilder()
        .protocols(listOf(Protocol.H2_PRIOR_KNOWLEDGE))
        .socketFactory(socketFactory)
        .addNetworkInterceptor(