@Nonnull
    static VersionResolverRequest build(@Nonnull Session session, @Nonnull ArtifactCoordinates artifactCoordinates) {
        return builder()
                .session(requireNonNull(session, "session cannot be null"))
                .artifactCoordinates(requireNonNull(artifactCoordinates, "artifactCoordinates cannot be null"))
                .build();
    }

    @Nonnull
    static VersionResolverRequest build(

  private final OkHttpClient client = new OkHttpClient.Builder()
      .addInterceptor(new CurrentDateInterceptor())
      .build();

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {
      System.out.println(response.request().header("Date"));
    }

    void testHashCodeNullSafe() {
        new Model().hashCode();
    }

    @Test
    void testBuild() {
        Model model = new Model();
        Build build = new Build();
        build.setOutputDirectory("myOutputDirectory");
        model.setBuild(build);
        Build build2 = model.getBuild();
        assertNotNull(build2);
        assertEquals("myOutputDirectory", build2.getOutputDirectory());
        model.setBuild(null);

    }

    @Test
    void testBuildEmptyRequest() throws Exception {
        ToolchainsBuildingRequest request = new DefaultToolchainsBuildingRequest();
        ToolchainsBuildingResult result = toolchainBuilder.build(request);
        assertNotNull(result.getEffectiveToolchains());
        assertNotNull(result.getProblems());
        assertEquals(0, result.getProblems().size());
    }

    @Test

    @Override
    public void mergeDuplicates(Model model, ModelBuildingRequest request, ModelProblemCollector problems) {
        Build build = model.getBuild();
        if (build != null) {
            List<Plugin> plugins = build.getPlugins();
            Map<Object, Plugin> normalized = new LinkedHashMap<>(plugins.size() * 2);

            for (Plugin plugin : plugins) {

    assertEquals(Collections.<String, Integer>emptyMap(), map);
    assertEquals(Collections.<Integer, String>emptyMap(), map.inverse());
    assertThat(map).isSameInstanceAs(ImmutableBiMap.of());
  }

  public void testSingletonBuilder() {
    ImmutableBiMap<String, Integer> map = new Builder<String, Integer>().put("one", 1).build();
    assertMapEquals(map, "one", 1);

  public final int port;

  public SlackApi(String clientId, String clientSecret, int port) {
    this.httpClient = new OkHttpClient.Builder()
        .build();
    this.moshi = new Moshi.Builder()
        .add(new SlackJsonAdapters())
        .build();
    this.clientId = clientId;
    this.clientSecret = clientSecret;
    this.port = port;
  }

  /** See https://api.slack.com/docs/oauth. */

    ExecutionException ee = new ExecutionException(cause);

    LoadingCache<Object, Object> cacheUnchecked =
        CacheBuilder.newBuilder().build(exceptionLoader(uee));
    LoadingCache<Object, Object> cacheChecked =
        CacheBuilder.newBuilder().build(exceptionLoader(ee));

    UncheckedExecutionException caughtUee =
        assertThrows(UncheckedExecutionException.class, () -> cacheUnchecked.get(new Object()));

    assertThat(emptyGraph.isDirected()).isTrue();
    assertThat(emptyGraph.allowsSelfLoops()).isTrue();
    assertThat(emptyGraph.nodeOrder()).isEqualTo(ElementOrder.<String>natural());
  }

  @Test
  public void copyOf_incidentEdgeOrder() {
    ImmutableGraph<Object> graph = ImmutableGraph.copyOf(GraphBuilder.undirected().build());

        rootProject = ProjectBuilder.builder().build();
        Project distributionProject = ProjectBuilder.builder().withParent(rootProject).withName("distribution").build();
        archivesProject = ProjectBuilder.builder().withParent(distributionProject).withName("archives").build();
        packagesProject = ProjectBuilder.builder().withParent(distributionProject).withName("packages").build();