ImmutableGraph<String> graph = GraphBuilder.directed().<String>immutable().addNode("A").build();

    assertThat(graph.nodes()).containsExactly("A");
    assertThat(graph.edges()).isEmpty();
  }

  @Test
  public void immutableGraphBuilder_putEdgeFromNodes() {
    ImmutableGraph<String> graph =
        GraphBuilder.directed().<String>immutable().putEdge("A", "B").build();

    }
  }

  private final transient EnumMap<K, V> delegate;

  private ImmutableEnumMap(EnumMap<K, V> delegate) {
    this.delegate = delegate;
    checkArgument(!delegate.isEmpty());
  }

  @Override
  UnmodifiableIterator<K> keyIterator() {
    return Iterators.unmodifiableIterator(delegate.keySet().iterator());
  }

  @Override
  public int size() {
    return delegate.size();

            .stream()
            .filter(FilePermissionsTask::isExecutableFile)
            .map(file -> "Source file is executable: " + file)
            .collect(Collectors.toList());

        if (failures.isEmpty() == false) {
            throw new GradleException("Found invalid file permissions:\n" + String.join("\n", failures));
        }

        outputMarker.getParentFile().mkdirs();

    multimapView.clear();
    assertFalse(multimapView.containsKey("foo"));
    assertFalse(map.containsKey("foo"));
    assertTrue(map.isEmpty());
    assertTrue(multimapView.isEmpty());
    multimap.clear();
    assertThat(multimapView.toString()).isEqualTo(multimap.toString());
    assertEquals(multimap.hashCode(), multimapView.hashCode());

        List<Expression> expressions = documentation.getExpressions();

        Map<String, Expression> bySyntax = new HashMap<>();

        if (expressions != null && !expressions.isEmpty()) {
            for (Expression expression : expressions) {
                bySyntax.put(expression.getSyntax(), expression);
            }
        }

        return bySyntax;
    }

    public static MavenOptions layerMavenOptions(Collection<MavenOptions> options) {
        List<MavenOptions> o = options.stream().filter(Objects::nonNull).toList();
        if (o.isEmpty()) {
            throw new IllegalArgumentException("No options specified (or all were null)");
        } else if (o.size() == 1) {
            return o.get(0);
        } else {

    }

    if (enforceOrder) {
      checkForStartEvent(e)
    }

    eventSequence.offer(e)
  }

  private fun checkForStartEvent(e: ConnectionEvent) {
    if (eventSequence.isEmpty()) {
      assertThat(e).isInstanceOf(ConnectionEvent.ConnectStart::class.java)
    } else {
      eventSequence.forEach loop@{
        when (e.closes(it)) {
          null -> return

          // no open event

        this.nameFilter = filter;
        final SmbResourceLocator locator = parent.getLocator();
        this.workgroup = locator.getType() == SmbConstants.TYPE_WORKGROUP;
        if (locator.getURL().getHost().isEmpty()) {
            this.request = new NetServerEnum2(th.getConfig(), th.getOEMDomainName(), NetServerEnum2.SV_TYPE_DOMAIN_ENUM);
        } else if (this.workgroup) {

            Set<Artifact> artifacts, List<ArtifactRepository> remoteRepositories, ArtifactFilter filter)
            throws CyclicDependencyException, OverConstrainedVersionException {
        if (artifacts != null && !artifacts.isEmpty()) {
            children = new ArrayList<>(artifacts.size());

            for (Artifact a : artifacts) {
                if (parents.contains(a.getDependencyConflictId())) {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3

import assertk.assertThat
import assertk.assertions.isCloseTo
import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isGreaterThan
import assertk.assertions.isNull
import assertk.assertions.isTrue
import assertk.fail