MutableGraph<String> graph = GraphBuilder.directed().build();
    graph.putEdge("a", "b");

    Traverser.forTree(graph); // Does not throw
  }

  @Test
  public void forTree_withUndirectedGraph_throws() throws Exception {
    MutableGraph<String> graph = GraphBuilder.undirected().build();
    graph.putEdge("a", "b");

                if (updateRequests.length > 0) {
                    searchHelper.bulkUpdate(builder -> {
                        for (final UpdateRequest req : updateRequests) {
                            builder.add(req);
                        }
                    });
                }
            } catch (final Exception e) {

                searchRequestBuilder -> SearchConditionBuilder
                        .builder(searchRequestBuilder.setPreference(Constants.SEARCH_PREFERENCE_LOCAL))
                        .searchRequestType(SearchRequestType.ADMIN_SEARCH).size(keyMatch.getMaxSize()).query(keyMatch.getQuery())
                        .responseFields(new String[] { fessConfig.getIndexFieldDocId() }).build());
    }

            ]]>
          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class>
      <name>Build</name>
      <version>3.0.0+</version>
      <superClass>BuildBase</superClass>
      <description>
        The {@code &lt;build>} element contains information required to build the project.
        Default values are defined in Super POM.
      </description>
      <fields>
        <field>

        new Function<CacheBuilder<Object, Object>, LoadingCache<Object, Object>>() {
          @Override
          public LoadingCache<Object, Object> apply(CacheBuilder<Object, Object> builder) {
            return builder.recordStats().build(identityLoader());
          }
        });
  }

  private CacheBuilderFactory cacheFactory() {

    checkNotNull(thisNode);
    checkNotNull(successorNodeToValueFn);

    Map<N, Object> adjacentNodeValues = new HashMap<>();
    ImmutableList.Builder<NodeConnection<N>> orderedNodeConnectionsBuilder =
        ImmutableList.builder();
    int predecessorCount = 0;
    int successorCount = 0;

    for (EndpointPair<N> incidentEdge : incidentEdges) {

            Exception exception) {
        RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.METADATA_INVALID);
        event.setTrace(trace);
        event.setMetadata(metadata);
        event.setException(exception);
        event.setRepository(repository);

        repositoryEventDispatcher.dispatch(event.build());
    }

    private void merge(

   * this URL are always empty, since they are not significant for planning a route.
   */
  @get:JvmName("url")
  val url: HttpUrl =
    HttpUrl.Builder()
      .scheme(if (sslSocketFactory != null) "https" else "http")
      .host(uriHost)
      .port(uriPort)
      .build()

  /**
   * The protocols the client supports. This method always returns a non-null list that
   * contains minimally [Protocol.HTTP_1_1].
   */

    ) {
      val url = "http://example.com/websocket"
      val response =
        Response.Builder()
          .code(101)
          .message("OK")
          .request(Request.Builder().url(url).build())
          .headers(responseHeaders!!)
          .protocol(Protocol.HTTP_1_1)
          .build()
      webSocket =
        RealWebSocket(
          taskFaker.taskRunner,
          response.request,

  }

  @GwtIncompatible // Class names are obfuscated in GWT
  public void testToString_complexFields() {
    Map<String, Integer> map =
        ImmutableMap.<String, Integer>builder().put("abc", 1).put("def", 2).put("ghi", 3).build();
    String toTest =
        MoreObjects.toStringHelper(new TestClass())
            .add("field1", "This is string.")
            .add("field2", Arrays.asList("abc", "def", "ghi"))