public void validateUndirectedEdges() {
    for (Integer node : network.nodes()) {
      new EqualsTester()
          .addEqualityGroup(
              network.inEdges(node), network.outEdges(node), network.incidentEdges(node))
          .testEquals();
      new EqualsTester()
          .addEqualityGroup(
              network.predecessors(node), network.successors(node), network.adjacentNodes(node))
          .testEquals();

  /**
   * Returns a view of {@code network} with the direction (if any) of every edge reversed. All other
   * properties remain intact, and further updates to {@code network} will be reflected in the view.
   */
  public static <N, E> Network<N, E> transpose(Network<N, E> network) {
    if (!network.isDirected()) {
      return network; // the transpose of an undirected network is an identical network
    }

    return Maps.asMap(network.edges(), network::incidentNodes);
  }

  }

  @Test
  fun networkInterceptorsRewriteRequestToServer() {
    rewriteRequestToServer(true)
  }

  private fun rewriteRequestToServer(network: Boolean) {
    server.enqueue(MockResponse())
    addInterceptor(network) { chain: Interceptor.Chain ->
      val originalRequest = chain.request()
      chain.proceed(
        originalRequest.newBuilder()

          value: "{{ valueOrDefault .Values.global.multiCluster.clusterName `Kubernetes` }}"
        {{- $network := valueOrDefault (index .InfrastructureLabels `topology.istio.io/network`) .Values.global.network }}
        {{- if $network }}
        - name: ISTIO_META_NETWORK
          value: "{{ $network }}"
        {{- end }}
        - name: ISTIO_META_INTERCEPTION_MODE
          value: REDIRECT

  the system can't tell whether it has access to the network required by these
  operations.

  Offline mode really means anticipating a lack of network connectivity, and as
  a result turning off certain services provided by m2 and providing a coherent
  way of predicting and reporting when network-related failures will take place.
  It means warning users that since the network is missing, certain features and

	case strings.Contains(err.Error(), "server closed idle connection"):
		return true
	}

	return false
}

// Converts network error to storageErr. This function is
// written so that the storageAPI errors are consistent
// across network disks.
func toStorageErr(err error) error {
	if err == nil {
		return nil
	}

	if isNetworkError(err) {
		return errDiskNotFound
	}

 *
 *  * **[Request Count:][requestCount]** the number of HTTP requests issued since this cache was
 *    created.
 *  * **[Network Count:][networkCount]** the number of those requests that required network use.
 *  * **[Hit Count:][hitCount]** the number of those requests whose responses were served by the
 *    cache.
 *

	delta := globalSiteNetPerfRX.firstToDisconnect.Sub(globalSiteNetPerfRX.lastToConnect)
	// If the first disconnected before the last connected, we likely had a network issue.
	if delta <= 0 {
		rx = 0
		errStr = "detected network disconnections, possibly an unstable network"
	}

	globalSiteNetPerfRX.Reset()
	return madmin.SiteNetPerfNodeResult{
		Endpoint:        "",
		TX:              r.n,
		TXTotalDuration: duration,

          - name: {{ $key }}
            value: "{{ $value }}"
          {{- end }}
          {{- $network_set := index $gateway.env "ISTIO_META_NETWORK" }}
          {{- if and (not $network_set) .Values.global.network }}
          - name: ISTIO_META_NETWORK
            value: "{{ .Values.global.network }}"
          {{- end }}
          - name: ISTIO_META_CLUSTER_ID