}
             },
             {
              "name": "istio.alpn",
              "typed_config": {
               "@type": "type.googleapis.com/istio.envoy.config.filter.http.alpn.v2alpha1.FilterConfig",
               "alpn_override": [
                {
                 "alpn_override": [
                  "istio-http/1.0",
                  "istio",
                  "http/1.0"

    } catch (e: IOException) {
      RecordedResponse(request, null, null, null, e)
    }
  }

  /**
   * Tests that use this will fail unless boot classpath is set. Ex. `-Xbootclasspath/p:/tmp/alpn-boot-8.0.0.v20140317`
   */
  private fun enableProtocol(protocol: Protocol) {
    enableTls()
    client =
      client.newBuilder()
        .protocols(listOf(protocol, Protocol.HTTP_1_1))

      }
      return result.toString()
    }
  }

  /**
   * Tests that use this will fail unless boot classpath is set. Ex. `-Xbootclasspath/p:/tmp/alpn-boot-8.0.0.v20140317`
   */
  private fun enableProtocol(protocol: Protocol) {
    client =
      client.newBuilder()
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),