* forwards the calls to the underlying {@code Map}.
   */
  private static class CheckSetUpInvocationHandler implements InvocationHandler, Serializable {
    private final Map<String, String> map;
    private final AtomicBoolean setUpRan;

    CheckSetUpInvocationHandler(Map<String, String> map, AtomicBoolean setUpRan) {
      this.map = map;
      this.setUpRan = setUpRan;
    }

    @Override

/**
 * Handles failover and recovery for multi-channel connections
 */
public class ChannelFailover {

    private static final Logger log = LoggerFactory.getLogger(ChannelFailover.class);

    private final ChannelManager manager;
    private final ExecutorService executor;
    private final ConcurrentMap<String, FailoverState> failoverStates;

    /**
     * Create channel failover handler
     *

 *
 * @author Kevin Bourrillion
 * @since 3.0
 */
@J2ktIncompatible
@GwtIncompatible
public final class Interners {
  private Interners() {}

  /**
   * Builder for {@link Interner} instances.
   *
   * @since 21.0
   */
  public static class InternerBuilder {
    private final MapMaker mapMaker = new MapMaker();
    private boolean strong = true;

    private InternerBuilder() {}

    /**

        // Test that the constructor and getters work with proper setup
        FessConfig mockConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Set<String> getApiPingEsFieldSet() {
                return new HashSet<>();
            }
        };

    return new StringConverter(this, targetFormat);
  }

  private static final class StringConverter extends Converter<String, String>
      implements Serializable {

    private final CaseFormat sourceFormat;
    private final CaseFormat targetFormat;

    StringConverter(CaseFormat sourceFormat, CaseFormat targetFormat) {

  @IgnoreJRERequirement // see enclosing class (whose annotation Animal Sniffer ignores here...)
  private static final class ToOptionalState<T extends @Nullable Object> {
    static final int MAX_EXTRAS = 4;

    @Nullable T element;
    List<T> extras;
    final @Nullable Supplier<? extends RuntimeException> exceptionSupplier;

   * {@link #createGraph()} didn't return a mutable graph.
   */
  MutableGraph<Integer> graphAsMutableGraph;

  static final Integer N1 = 1;
  static final Integer N2 = 2;
  static final Integer N3 = 3;
  static final Integer N4 = 4;
  static final Integer N5 = 5;
  static final Integer NODE_NOT_IN_GRAPH = 1000;

  // TODO(user): Consider separating Strings that we've defined here to capture

    private final FileSystemOperations fileSystemOperations;
    private final int compatibleVersion;
    private final DirectoryProperty sourceDirectory;
    private final DirectoryProperty outputDirectory;
    private final PatternFilterable testPatternSet;
    private final Factory<PatternSet> patternSetFactory;
    private final List<RestTestTransform<?>> transformations = new ArrayList<>();

     *
     * @param dictionaryFile the dictionary file to convert
     * @return the converted ListBody object
     */
    protected ListBody createListBody(final DictionaryFile<? extends DictionaryItem> dictionaryFile) {
        final ListBody body = new ListBody();
        body.id = dictionaryFile.getId();
        body.type = dictionaryFile.getType();
        body.path = dictionaryFile.getPath();

     * This method is thread-safe.
     *
     * @param ingester the ingester to add
     */
    public synchronized void add(final Ingester ingester) {
        if (logger.isDebugEnabled()) {
            logger.debug("Loaded Ingester: {}", ingester.getClass().getSimpleName());
        }
        final Ingester[] newIngesters = Arrays.copyOf(ingesters, ingesters.length + 1);
        newIngesters[ingesters.length] = ingester;