public String[] getLanguages() {
        return stream(lang).get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
    }

    @Override
    public GeoInfo getGeoInfo() {
        return null;
    }

    @Override
    public FacetInfo getFacetInfo() {
        return null;
    }

    @Override
    public HighlightInfo getHighlightInfo() {

    }
  }

  @Override
  @CheckForNull
  public Entry<E> firstEntry() {
    return delegate().firstEntry();
  }

  /**
   * A sensible definition of {@link #firstEntry()} in terms of {@code entrySet().iterator()}.
   *
   * <p>If you override {@link #entrySet()}, you may wish to override {@link #firstEntry()} to
   * forward to this implementation.
   */
  @CheckForNull

      @Override
      public Set<N> predecessors(N node) {
        return AbstractNetwork.this.predecessors(node);
      }

      @Override
      public Set<N> successors(N node) {
        return AbstractNetwork.this.successors(node);
      }

      // DO NOT override the AbstractGraph *degree() implementations.
    };
  }

  @Override
  public int degree(N node) {
    if (isDirected()) {

    return headMap(toKey, false);
  }

  @Override
  public SortedMap<K, V> tailMap(@ParametricNullness K fromKey) {
    return tailMap(fromKey, true);
  }

  @Override
  public NavigableSet<K> navigableKeySet() {
    return new Maps.NavigableKeySet<>(this);
  }

  @Override
  public Set<K> keySet() {
    return navigableKeySet();
  }

  @Override
  public NavigableSet<K> descendingKeySet() {

    @Override
    public String getProjectName() {
        return null;
    }

    @Override
    public String getProjectPrefix() {
        return null;
    }

    @Override
    public String getGenerationGapBasePrefix() {
        return null;
    }

    @Override
    public DBDef getCurrentDBDef() {
        return null;
    }

    @Override
    public Set<java.util.Map.Entry<Object, Object>> entrySet() {
        return getProperties().entrySet();
    }

    @Override
    public boolean equals(final Object o) {
        return getProperties().equals(o);
    }

    @Override
    public Object get(final Object key) {
        return getProperties().get(key);
    }

    @Override

    }

    @Override public void callStart(Call call) {
      printEvent("callStart");
    }

    @Override public void proxySelectStart(Call call, HttpUrl url) {
      printEvent("proxySelectStart");
    }

    @Override public void proxySelectEnd(Call call, HttpUrl url, List<Proxy> proxies) {
      printEvent("proxySelectEnd");
    }

    @Override public void dnsStart(Call call, String domainName) {

    @Override
    public QueryBuilder queryName(final String queryName) {
        return queryBuilder.queryName(queryName);
    }

    @Override
    public String queryName() {
        return queryBuilder.queryName();
    }

    @Override
    public float boost() {
        return queryBuilder.boost();
    }

    @Override
    public QueryBuilder boost(final float boost) {
        return queryBuilder.boost(boost);
    }

      this.backingSet = backingSet;
    }

    @Override
    protected Set<T> delegate() {
      return backingSet;
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return standardEquals(object);
    }

    @Override
    public int hashCode() {
      return standardHashCode();
    }

    @Override
    public boolean addAll(Collection<? extends T> collection) {

    }

    @Override
    public Long getContentLength() {
        return contentLength;
    }

    @Override
    public void setContentLength(final Long contentLength) {
        this.contentLength = contentLength;
    }

    @Override
    public Long getLastModified() {
        return lastModified;
    }

    @Override
    public void setLastModified(final Long lastModified) {