* @since 2.0
 */
@GwtCompatible
abstract class AbstractListMultimap<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractMapBasedMultimap<K, V> implements ListMultimap<K, V> {
  /**
   * Creates a new multimap that uses the provided map.
   *
   * @param map place to store the mapping from each key to its corresponding values
   */
  protected AbstractListMultimap(Map<K, Collection<V>> map) {
    super(map);
  }

 * class). This property is used to ensure that no subscriber method is registered more than once.
 *
 * @author Colin Decker
 */
class Subscriber {

  /** Creates a {@code Subscriber} for {@code method} on {@code listener}. */
  static Subscriber create(EventBus bus, Object listener, Method method) {
    return isDeclaredThreadSafe(method)
        ? new Subscriber(bus, listener, method)

        return PLUGIN_UPGRADES;
    }

    /**
     * Gets or creates the cached Maven 4 session.
     */
    private Session getSession() {
        if (session == null) {
            session = createMaven4Session();
        }
        return session;
    }

    /**
     * Creates a new Maven 4 session for effective POM computation.
     */
    private Session createMaven4Session() {

                if (cachedPathMappingList == null) {
                    init();
                }
            }
        }
        return replaceUrl(cachedPathMappingList, url);
    }

    /**
     * Creates a path matcher function for path mapping.
     *
     * @param matcher the regex matcher
     * @param replacement the replacement string
     * @return the path matcher function
     */

 *     #from(ValueGraph)}.
 * @since 20.0
 */
@Beta
public final class ValueGraphBuilder<N, V> extends AbstractGraphBuilder<N> {

  /** Creates a new instance with the specified edge directionality. */
  private ValueGraphBuilder(boolean directed) {
    super(directed);
  }

  /** Returns a {@link ValueGraphBuilder} for building directed graphs. */

        Element plugin = insertNewElement(PLUGIN, pluginsElement);
        addGAVElements(plugin, groupId, artifactId, version);
        return plugin;
    }

    /**
     * Updates or creates a child element with the given content.
     *
     * @param parent the parent element
     * @param childName the child element name
     * @param content the content to set
     * @return the updated or created element

          fileSystem.deleteIfExists(entry.cleanFiles[t])
          fileSystem.deleteIfExists(entry.dirtyFiles[t])
        }
        i.remove()
      }
    }
  }

  /**
   * Creates a new journal that omits redundant information. This replaces the current journal if it
   * exists.
   */
  @Synchronized
  @Throws(IOException::class)
  internal fun rebuildJournal() {
    journalWriter?.close()

            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), this::asListHtml);
        });
        saveToken();
        return asEditHtml();
    }

    /**
     * Creates a new document in the search index.
     *
     * @param form the create form containing document data
     * @return HTML response redirecting to the list page after creation
     */
    @Execute

    /**
     * Returns an {@link Iterable} of {@link FieldDesc}.
     *
     * @return An {@link Iterable} of {@link FieldDesc}
     */
    Iterable<FieldDesc> getFieldDescs();

    /**
     * Creates a new instance.
     *
     * @param <T>
     *            The type of the Bean class
     * @param args
     *            The arguments to pass to the constructor
     * @return A new instance
     */

    @Secured({ ROLE })
    public HtmlResponse crawlingConfigForm() {
        saveToken();
        return asHtml(path_AdminWizard_AdminWizardConfigJsp).useForm(CrawlingConfigForm.class);
    }

    /**
     * Creates a crawling configuration and returns to the config form.
     *
     * @param form the form containing crawling configuration data
     * @return HTML response redirecting to the config form
     */
    @Execute