func ConfigAndEnvProcessing() error {
	configPath := filepath.Dir(root.IstioConfig)
	baseName := filepath.Base(root.IstioConfig)
	configType := filepath.Ext(root.IstioConfig)
	configName := baseName[0 : len(baseName)-len(configType)]
	if configType != "" {
		configType = configType[1:]
	}

	// Allow users to override some variables through $HOME/.istioctl/config.yaml
	// and environment variables.

			},
			tcp:   &tcp.TcpProxy{},
			class: networking.ListenerClassSidecarInbound,
			expected: &tcp.TcpProxy{
				AccessLog: []*accesslog.AccessLog{
					{
						Name:       wellknown.FileAccessLog,
						ConfigType: &accesslog.AccessLog_TypedConfig{TypedConfig: protoconv.MessageToAny(defaultJSONLabelsOut)},
					},
				},
			},
		},
		{
			name: "log-selector-unmatched-telemetry",
			push: env.PushContext(),

				Name:       wellknown.FileAccessLog,
				ConfigType: &accesslog.AccessLog_TypedConfig{TypedConfig: protoconv.MessageToAny(stdout)},
			},
		},
		{
			name: "stderr",
			meshConfig: &meshconfig.MeshConfig{
				AccessLogEncoding: meshconfig.MeshConfig_TEXT,
			},
			fp: stderr,
			expected: &accesslog.AccessLog{
				Name:       wellknown.FileAccessLog,

		}
		// Ensure consistent ordering as we are looping over a map
		sort.Ints(ports)
		filter := &listener.ListenerFilter{
			Name:           wellknown.TLSInspector,
			ConfigType:     xdsfilters.TLSInspector.ConfigType,
			FilterDisabled: listenerPredicateExcludePorts(ports),
		}
		return filter
	}
	ports := make([]int, 0, len(inspectors))
	// Collect all ports where TLS inspector is disabled.

					},
				},
			},
			TransportApiVersion:     core.ApiVersion_V3,
			FilterStateObjectsToLog: filterObjects,
		},
	}

	return &accesslog.AccessLog{
		Name:       TCPEnvoyALSName,
		ConfigType: &accesslog.AccessLog_TypedConfig{TypedConfig: protoconv.MessageToAny(fl)},
	}
}

func fileAccessLogFromTelemetry(prov *meshconfig.MeshConfig_ExtensionProvider_EnvoyFileAccessLogProvider) *accesslog.AccessLog {

			StartChildSpan:       false,
			SuppressDebugHeaders: ph.SuppressDebugHeaders,
		}),
	}
	return []*listener.Filter{
		{
			Name:       wellknown.HTTPConnectionManager,
			ConfigType: &listener.Filter_TypedConfig{TypedConfig: protoconv.MessageToAny(h)},
		},
	}
}

func (lb *ListenerBuilder) buildConnectTerminateListener(routes []*route.Route) *listener.Listener {

				t.Fatalf("got diff: %v", diff)
			}
		})
	}
}

func buildTestClustersWithTCPKeepalive(t testing.TB, configType ConfigType) []*cluster.Cluster {
	// Set mesh wide defaults.
	m := testMesh()
	if configType != None {
		m.TcpKeepalive = &networking.ConnectionPoolSettings_TCPSettings_TcpKeepalive{
			Time: &durationpb.Duration{
				Seconds: MeshWideTCPKeepaliveSeconds,

	filterConfig := MaybeBuildStatefulSessionFilterConfig(svc)
	if filterConfig == nil {
		return nil
	}

	return &hcm.HttpFilter{
		Name: StatefulSessionFilter,
		ConfigType: &hcm.HttpFilter_TypedConfig{
			TypedConfig: protoconv.MessageToAny(filterConfig),
		},
	}
}

func MaybeBuildStatefulSessionFilterConfig(svc *model.Service) *statefulsession.StatefulSession {

			oldestService = s
		}
	}
	return oldestService
}

func getFilterConfig(filter *listener.Filter, out proto.Message) error {
	switch c := filter.ConfigType.(type) {
	case *listener.Filter_TypedConfig:
		if err := c.TypedConfig.UnmarshalTo(out); err != nil {
			return err
		}
	}
	return nil
}