* all values is returned.
   *
   */
  CacheStats stats();

  /**
   * Returns a view of the entries stored in this cache as a thread-safe map. Modifications made to
   * the map directly affect the cache.
   *
   * <p>Iterators from the returned map are at least <i>weakly consistent</i>: they are safe for

Luego tu API (imaginemos):

* Enviará la factura a algún cliente del desarrollador externo.
* Recogerá el dinero.
* Enviará una notificación de vuelta al usuario de la API (el desarrollador externo).
    * Esto se hará enviando un request POST (desde *tu API*) a alguna *API externa* proporcionada por ese desarrollador externo (este es el "callback").

      }

      HTTP_CLIENT_TIMEOUT -> {
        // 408's are rare in practice, but some servers like HAProxy use this response code. The
        // spec says that we may repeat the request without modifications. Modern browsers also
        // repeat the request (even non-idempotent ones.)
        if (!client.retryOnConnectionFailure) {
          // The application layer has directed us not to retry the request.

	// Holds the possible host endpoint.
	globalMinioEndpoint    = ""
	globalMinioEndpointURL *xnet.URL

	// globalConfigSys server config system.
	globalConfigSys *ConfigSys

	globalNotificationSys *NotificationSys

	globalEventNotifier    *EventNotifier
	globalNotifyTargetList *event.TargetList
	globalLambdaTargetList *levent.TargetList

	globalBucketMetadataSys *BucketMetadataSys

  // Element Mutation

  @Test
  public void putEdge_existingNodes() {
    assume().that(graphIsMutable()).isTrue();

    // Adding nodes initially for safety (insulating from possible future
    // modifications to proxy methods)
    addNode(N1);
    addNode(N2);

    assertThat(graphAsMutableGraph.putEdge(N1, N2)).isTrue();
  }

  @Test
  public void putEdge_existingEdgeBetweenSameNodes() {

    }

    /**
     * Processes the given path through the virtual host helper to handle
     * virtual host configurations and path modifications.
     *
     * @param path the HTML path to process
     * @return the processed path with virtual host handling applied
     */
    protected HtmlNext virtualHost(final HtmlNext path) {

  // Element Mutation

  @Test
  public void addEdge_existingNodes() {
    assume().that(graphIsMutable()).isTrue();

    // Adding nodes initially for safety (insulating from possible future
    // modifications to proxy methods)
    addNode(N1);
    addNode(N2);
    assertThat(networkAsMutableNetwork.addEdge(N1, N2, E12)).isTrue();
    assertThat(network.edges()).contains(E12);

  // Element Mutation

  @Test
  public void addEdge_existingNodes() {
    assume().that(graphIsMutable()).isTrue();

    // Adding nodes initially for safety (insulating from possible future
    // modifications to proxy methods)
    addNode(N1);
    addNode(N2);
    assertThat(networkAsMutableNetwork.addEdge(N1, N2, E12)).isTrue();
    assertThat(network.edges()).contains(E12);

     */
    public LeaseEntry getLeaseByPath(String path) {
        Smb2LeaseKey key = pathToLease.get(path);
        return key != null ? leases.get(key) : null;
    }

    /**
     * Handle a lease break notification
     *
     * @param key lease key
     * @param newState new lease state
     */
    public void handleLeaseBreak(Smb2LeaseKey key, int newState) {
        LeaseEntry entry = leases.get(key);

  // Element Mutation

  @Test
  public void addEdge_existingNodes() {
    assume().that(graphIsMutable()).isTrue();

    // Adding nodes initially for safety (insulating from possible future
    // modifications to proxy methods)
    addNode(N1);
    addNode(N2);
    assertThat(networkAsMutableNetwork.addEdge(N1, N2, E12)).isTrue();
    assertThat(network.edges()).contains(E12);