@Override
    public boolean isWarnEnabled() {
        return logger.isLoggable(Level.WARNING);
    }

    @Override
    public void warn(final String message) {
        logger.logp(Level.WARNING, sourceClass, null, message);
    }

    @Override
    public void warn(final String message, final Throwable t) {
        logger.logp(Level.WARNING, sourceClass, null, message, t);
    }

    @Override

  }

  @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
  boolean isHashCodeFast() {
    return true;
  }

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

  @Override

  public AbstractValueGraph() {}

  @Override
  public Graph<N> asGraph() {
    return new AbstractGraph<N>() {
      @Override
      public Set<N> nodes() {
        return AbstractValueGraph.this.nodes();
      }

      @Override
      public Set<EndpointPair<N>> edges() {
        return AbstractValueGraph.this.edges();
      }

      @Override
      public boolean isDirected() {

      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 String getClassifier() {
                return classifier;
            }

            @Override
            public String getExtension() {
                return extension;
            }

            @Override
            public String getType() {
                return type;
            }

            @Override
            public boolean equals(Object o) {

        }

        @Override
        protected int readParameterWordsWireFormat(byte[] src, int srcIndex) {
            paramWordsRead = 10;
            return paramWordsRead;
        }

        @Override
        protected int readBytesWireFormat(byte[] src, int srcIndex) {
            bytesRead = 20;
            return bytesRead;
        }

        @Override
        public boolean isRetainPayload() {

            }

            @Override
            public boolean isReceived() {
                return received;
            }

            @Override
            public void received() {
                received = true;
            }

            @Override
            public void clearReceived() {
                received = false;
            }

            @Override

        public String getSuggestFieldIndexContents() {
            return "title,content";
        }

        @Override
        public String getFesenType() {
            return "opensearch";
        }

        @Override
        public String getIndexDocumentSuggestIndex() {
            return "fess.suggest";
        }

        @Override
        public Integer getSuggestMinHitCountAsInteger() {

        }

        return name;
    }

    @Override
    public String getUrl() {
        return getRepositoryUrl() + getName();
    }

    @Override
    public long getContentLength() {
        return resource.getContentLength();
    }

    @Override
    public long getTransferStartTime() {
        return transferStartTime;
    }

    @Override
    public String toString() {
        return getUrl();

      this.delegate = delegate;
    }

    @Override
    protected Collection<Range<C>> delegate() {
      return delegate;
    }

    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override
    public boolean equals(@Nullable Object o) {
      return Sets.equalsImpl(this, o);
    }
  }

  @Override
  public @Nullable Range<C> rangeContaining(C value) {