}

  private static final Object IGNORE_ME =
      new Object() {
        @Override
        public String toString() {
          throw new AssertionFailedError();
        }
      };

  private static class Message {
    boolean invoked;

    @Override
    public String toString() {
      assertFalse(invoked);
      invoked = true;
      return "A message";
    }
  }

  }

  static <N> void validateGraph(Graph<N> graph) {
    assertStronglyEquivalent(graph, Graphs.copyOf(graph));
    assertStronglyEquivalent(graph, ImmutableGraph.copyOf(graph));

    String graphString = graph.toString();
    assertThat(graphString).contains("isDirected: " + graph.isDirected());
    assertThat(graphString).contains("allowsSelfLoops: " + graph.allowsSelfLoops());

    int nodeStart = graphString.indexOf("nodes:");

    Object[] params = new Object[paramTypes.length];
    for (int i = 0; i < paramTypes.length; i++) {
      Class<?> paramType = paramTypes[i];
      if (paramType.equals(String.class)) {
        params[i] = cause.toString();
      } else if (paramType.equals(Throwable.class)) {
        params[i] = cause;
      } else {
        return null;
      }
    }
    try {
      return constructor.newInstance(params);

        public int getPosition() {
            return idx < expression.length() ? idx : EOF;
        }

        // to make tokenizer look pretty in debugger
        @Override
        public String toString() {
            return idx < expression.length() ? expression.substring(idx) : "<EOF>";
        }
    }

    private ReflectionValueExtractor() {}

    /**

        for (final WebConfig webConfig : webConfigList) {
            itemList.add(createItem(webConfig.getName(), webConfig.getId().toString()));
        }
        RenderDataUtil.register(data, "webConfigItems", itemList);
    }

    protected Map<String, String> createItem(final String label, final String value) {

    assertThat(Strings.lenientFormat("boiler %s plate", new ThrowsOnToString()))
        .matches("boiler <.*> plate");
  }

  private static class ThrowsOnToString {
    @Override
    public String toString() {
      throw new UnsupportedOperationException();
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {

        for (final FileConfig fileConfig : fileConfigList) {
            itemList.add(createItem(fileConfig.getName(), fileConfig.getId().toString()));
        }
        RenderDataUtil.register(data, "fileConfigItems", itemList);
    }

    protected Map<String, String> createItem(final String label, final String value) {

        for (final WebConfig webConfig : webConfigList) {
            itemList.add(createItem(webConfig.getName(), webConfig.getId().toString()));
        }
        RenderDataUtil.register(data, "webConfigItems", itemList);
    }

    protected Map<String, String> createItem(final String label, final String value) {

    /**
     * @return the intermediate
     */
    @Override
    public boolean isIntermediate () {
        return this.intermediate;
    }


    @Override
    public String toString () {
        return "DfsReferralData[pathConsumed=" + this.pathConsumed + ",server=" + this.server + ",share=" + this.share + ",link=" + this.link

         */
        protected static CharSequence createCharSequence(final String name) {
            return new CharSequence() {

                @Override
                public String toString() {
                    return name;
                }

                @Override
                public char charAt(final int index) {
                    return name.charAt(index);
                }