errFatal(local.RegisterSingleHandler(handlerTest, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("1: server payload: ", len(payload), "bytes.")
		return append([]byte{}, payload...), nil
	}))
	// 2: Return as error
	errFatal(local.RegisterSingleHandler(handlerTest2, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("2: server payload: ", len(payload), "bytes.")
		err := RemoteErr(payload)
		return nil, &err
	}))

browser("Browser")
proxy["Proxy on http://0.0.0.0:9999/api/v1/app"]
server["Server on http://127.0.0.1:8000/app"]

browser --> proxy
proxy --> server
```

!!! tip
    The IP `0.0.0.0` is commonly used to mean that the program listens on all the IPs available in that machine/server.

The docs UI would also need the OpenAPI schema to declare that this API `server` is located at `/api/v1` (behind the proxy). For example:

    Moshi.Builder()
      .add(KotlinJsonAdapterFactory())
      .build()

  private val handshakeCertificates = localhost()

  private lateinit var server: MockWebServer

  @BeforeEach
  fun setup(server: MockWebServer) {
    this.server = server
  }

  @Test
  fun testPlatform() {
    assertTrue(Platform.isAndroid)

    if (Build.VERSION.SDK_INT >= 29) {

         * with everything else. If the below clause evaluates true
         * the andx command will not be written and therefore the
         * response will not read a batched command and therefore
         * the 'received' member of the response object will not
         * be set to true indicating the send and sendTransaction
         * methods that the next part should be sent. This is a
         * very indirect and simple batching control mechanism.

        Address dc;
        String msg, pathInfo, server = null;
        boolean offerBasic, possibleWorkgroup = true;
        NtlmPasswordAuthentication ntlm = null;
        HttpSession ssn = req.getSession(false);

        if ( ( pathInfo = req.getPathInfo() ) != null ) {
            int i;
            server = parseServerAndShare(pathInfo);
            if ( server != null && ( i = server.indexOf('/') ) > 0 ) {

	}
	server := restCfg.Host
	if strings.Contains(server, "127.0.0.1") || strings.Contains(server, "localhost") {
		return server, fmt.Errorf(
			"server in Kubeconfig is %s. This is likely not reachable from inside the cluster, "+
				"if you're using Kubernetes in Docker, pass --server with the container IP for the API Server",
			server), nil
	}
	return server, nil, nil
}

const (

    server.enqueue(
      MockResponse.Builder()
        .body(
          Buffer()
            .write(ByteArray(responseBodySize)),
        )
        .throttleBody(64 * 1024, 125, MILLISECONDS) // 500 Kbps
        .build(),
    )
    server.enqueue(MockResponse(body = "."))

    val call = client.newCall(Request.Builder().url(server.url("/")).build())

	globalWindowsOSName            = "windows"
	globalMacOSName                = "darwin"
	globalMinioModeFS              = "mode-server-fs"
	globalMinioModeErasureSD       = "mode-server-xl-single"
	globalMinioModeErasure         = "mode-server-xl"
	globalMinioModeDistErasure     = "mode-server-distributed-xl"
	globalDirSuffix                = "__XLDIR__"
	globalDirSuffixWithSlash       = globalDirSuffix + slashSeparator

         * with everything else. If the below clause evaluates true
         * the andx command will not be written and therefore the
         * response will not read a batched command and therefore
         * the 'received' member of the response object will not
         * be set to true indicating the send and sendTransaction
         * methods that the next part should be sent. This is a
         * very indirect and simple batching control mechanism.

  tensorflow::ServerDef server_def_0 = GetServerDef(3);
  server_def_0.mutable_default_session_config()->set_isolate_session_state(
      false);
  tensorflow::ServerDef server_def_1 =
      ReplaceTaskInServerDef(server_def_0, /*task_index=*/0);

  // These server defs have task index set to 0.
  string serialized_server_def_0 = server_def_0.SerializeAsString();