public class DocumentHelper {
    private static final Logger logger = LogManager.getLogger(DocumentHelper.class);

    protected static final String SIMILAR_DOC_HASH_PREFIX = "$";

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        try {

    presentFeatures.addAll(morePresentFeatures);
    absentFeatures.addAll(moreAbsentFeatures);
    return requirements;
  }

  // Used by incorporateRequirements() only
  private static void checkConflict(
      String earlierRequirement,
      Set<Feature<?>> earlierFeatures,
      String newRequirement,
      Set<Feature<?>> newFeatures,
      Object source)

                }

                if (match)
                    dr = (DfsReferral)referrals.map.get(_key);
            }
        }

        return dr;
    }
    synchronized void insert(String path, DfsReferral dr) {
        int s1, s2;
        String server, share, key;

        if (DISABLED)
            return;

        s1 = path.indexOf('\\', 1);

        public static final String GLOBAL_LEVEL = "global-level";

        private String sourceLevel = USER_LEVEL;
        private boolean sourceLevelSet = false;

        public void setSourceLevel(String sourceLevel) {
            if (sourceLevelSet) {
                throw new IllegalStateException("Cannot reset sourceLevel attribute; it is already set to: " + sourceLevel);

      ensureRoomFor(values.length());
      System.arraycopy(values.array, values.start, array, count, values.length());
      count += values.length();
      return this;
    }

    private void ensureRoomFor(int numberToAdd) {
      int newCount = count + numberToAdd; // TODO(kevinb): check overflow now?
      if (newCount > array.length) {
        array = Arrays.copyOf(array, expandedCapacity(array.length, newCount));

                                + (s2.isEmpty() ? "" : ", unexpected " + s2));
            }
            return given;
        }
        return computed;
    }

    private static void addPhase(
            Graph graph, Graph.Vertex before, Graph.Vertex after, org.apache.maven.api.Lifecycle.Phase phase) {
        Graph.Vertex ep0 = graph.addVertex("$" + phase.name());

       * performance-conscious users.
       */
      if (key.equals(candidateKey)) {
        return entry.getValue();
      }
    }
    return null;
  }

  @Override
  public void forEach(BiConsumer<? super K, ? super V> action) {
    checkNotNull(action);
    for (Entry<K, V> entry : entries) {
      action.accept(entry.getKey(), entry.getValue());
    }
  }

  @Override

        while ( r != start );

        if ( res != null ) {
            return res;
        }

        return dr;
    }


    /**
     * @param domains
     */
    private static void dumpReferralCache ( Map<String, Map<String, CacheEntry<DfsReferralDataInternal>>> domains ) {
        for ( Entry<String, Map<String, CacheEntry<DfsReferralDataInternal>>> entry : domains.entrySet() ) {

    this.keySet = keySet;
    this.valueList = valueList;
    this.descendingMap = descendingMap;
  }

  @Override
  public int size() {
    return valueList.size();
  }

  @Override
  public void forEach(BiConsumer<? super K, ? super V> action) {
    checkNotNull(action);
    ImmutableList<K> keyList = keySet.asList();
    for (int i = 0; i < size(); i++) {
      action.accept(keyList.get(i), valueList.get(i));

   *     values for that key, and the key's values
   */
  @GwtIncompatible // java.io.ObjectOutputStream
  @J2ktIncompatible
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();
    stream.writeObject(valueComparator());
    Serialization.writeMultimap(this, stream);
  }

  @CheckForNull