override fun configureSocket(sslSocket: SSLSocket): SSLSocket {
          return object : DelegatingSSLSocket(sslSocket) {
            override fun getApplicationProtocol(): String {
              throw UnsupportedOperationException()
            }
          }
        }
      }

    client =
      client.newBuilder()
        .sslSocketFactory(delegatingSocketFactory, trustManager)
        .build()