private final MutableValueGraph<N, Presence> backingValueGraph;

  /** Constructs a {@link MutableGraph} with the properties specified in {@code builder}. */
  StandardMutableGraph(AbstractGraphBuilder<? super N> builder) {
    this.backingValueGraph = new StandardMutableValueGraph<>(builder);
  }

  @Override
  BaseGraph<N> delegate() {
    return backingValueGraph;
  }

  @Override
  public boolean addNode(N node) {

    }

    public void test_builderChaining() {
        QueryStringBuilder builder = new QueryStringBuilder();
        assertSame(builder, builder.params(createSimpleParams("test")));
        assertSame(builder, builder.sortField("score"));
        assertSame(builder, builder.escape(true));
    }

    public void test_emptyAndNullInputs() {

            this.indexOption = builder;
            return this;
        }

        public RequestOptionCall<IndexRequestBuilder> indexOption() {
            return indexOption;
        }

        public DocMeta deleteOption(RequestOptionCall<DeleteRequestBuilder> builder) {
            this.deleteOption = builder;
            return this;
        }

            this.indexOption = builder;
            return this;
        }

        public RequestOptionCall<IndexRequestBuilder> indexOption() {
            return indexOption;
        }

        public DocMeta deleteOption(RequestOptionCall<DeleteRequestBuilder> builder) {
            this.deleteOption = builder;
            return this;
        }

  private static final int MAX_BOUND = 1;

  static {
    ImmutableList.Builder<Range<Integer>> builder = ImmutableList.builder();

    builder.add(Range.<Integer>all());

    // Add one-ended ranges
    for (int i = MIN_BOUND; i <= MAX_BOUND; i++) {
      for (BoundType type : BoundType.values()) {
        builder.add(Range.upTo(i, type));
        builder.add(Range.downTo(i, type));
      }
    }

    code: Int = 200,
    fn: Response.Builder.() -> Unit = {},
  ): Response =
    Response
      .Builder()
      .request(
        Request
          .Builder()
          .url("https://example.com/")
          .build(),
      ).protocol(Protocol.HTTP_1_1)
      .code(code)
      .message("OK")
      .body(responseBody)
      .apply { fn() }
      .build()

      ImmutableList.Builder<Invokable<?, ?>> builder = ImmutableList.builder();
      for (Invokable<?, ?> factory : factories) {
        if (returnTypeToTest.isAssignableFrom(factory.getReturnType().getRawType())) {
          builder.add(factory);
        }
      }
      ImmutableList<Invokable<?, ?>> factoriesToTest = builder.build();
      Assert.assertFalse(
          "No "

Register an _application_ interceptor by calling `addInterceptor()` on `OkHttpClient.Builder`:

```java
OkHttpClient client = new OkHttpClient.Builder()
    .addInterceptor(new LoggingInterceptor())
    .build();

Request request = new Request.Builder()
    .url("http://www.publicobject.com/helloworld.txt")
    .header("User-Agent", "OkHttp Example")
    .build();

Response response = client.newCall(request).execute();

    }
    builder.append(template, templateStart, template.length());

    // if we run out of placeholders, append the extra args in square brackets
    if (i < args.length) {
      String prefix = " [";
      for (; i < args.length; i++) {
        builder.append(prefix);
        builder.append(lenientToString(args[i]));
        prefix = ", ";
      }
      builder.append(']');
    }

     */
    protected long updateScore(final Map<String, Object> params) {
        return requestHandler.apply(params);
    }

    /**
     * Creates an update request builder.
     * @return The update request builder.
     */
    protected UpdateRequestBuilder createUpdateRequestBuilder() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();