public SafeTreeSet() {
    this(new TreeSet<E>());
  }

  public SafeTreeSet(Collection<? extends E> collection) {
    this(new TreeSet<E>(collection));
  }

  public SafeTreeSet(Comparator<? super E> comparator) {
    this(new TreeSet<E>(comparator));
  }

  public SafeTreeSet(SortedSet<E> set) {
    this(new TreeSet<E>(set));
  }

  private SafeTreeSet(NavigableSet<E> delegate) {

                NavigableSet<String> innerSet = new TreeSet<>();
                Collections.addAll(innerSet, elements);
                return Collections.checkedNavigableSet(innerSet, String.class);
              }
            })
        .named("checkedNavigableSet/TreeSet, natural")
        .withFeatures(
            SetFeature.GENERAL_PURPOSE,

    }

    /**
     * {@link TreeSet}の新しいインスタンスを作成して返します。
     *
     * @param <E>
     *            {@link TreeSet}の要素型
     * @return {@link TreeSet}の新しいインスタンス
     * @see TreeSet#TreeSet()
     */
    public static <E> TreeSet<E> newTreeSet() {
        return new TreeSet<>();
    }

    /**
     * {@link TreeSet}の新しいインスタンスを作成して返します。
     *
     * @param <E>

 * under the License.
 */
package org.apache.maven.repository.metadata;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeSet;

import org.apache.maven.artifact.ArtifactScopeEnum;

/**
 * maven dependency metadata graph
 *
 *
 */
@Deprecated
public class MetadataGraph {
    public static final int DEFAULT_VERTICES = 32;

import java.util.TreeSet


@DisableCachingByDefault(because = "Depends on GitHub API")
abstract class CheckContributorsInReleaseNotes : AbstractCheckOrUpdateContributorsInReleaseNotes() {
    @TaskAction
    fun check() {
        val contributorsInReleaseNotes = TreeSet(getContributorsInReleaseNotes().map { it.login })
        val contributorsFromPullRequests = TreeSet(getContributorsFromPullRequests().map { it.login })

    }

    private void debugDependencyRequirements(List<MojoExecution> mojoExecutions) {
        Set<String> scopesToCollect = new TreeSet<>();
        Set<String> scopesToResolve = new TreeSet<>();

        for (MojoExecution mojoExecution : mojoExecutions) {
            MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

import java.util.SortedSet;
import java.util.TreeSet;

public final class SetsFilterSortedSetTest
    extends AbstractFilteredSortedSetTest<SortedSet<Integer>> {
  @Override
  SortedSet<Integer> createUnfiltered(Iterable<Integer> contents) {
    final TreeSet<Integer> result = Sets.newTreeSet(contents);
    // we have to make the result not Navigable

  public SafeTreeSet() {
    this(new TreeSet<E>());
  }

  public SafeTreeSet(Collection<? extends E> collection) {
    this(new TreeSet<E>(collection));
  }

  public SafeTreeSet(Comparator<? super E> comparator) {
    this(new TreeSet<E>(comparator));
  }

  public SafeTreeSet(SortedSet<E> set) {
    this(new TreeSet<E>(set));
  }

  private SafeTreeSet(NavigableSet<E> delegate) {

        }
      }
    }

  private suspend fun readImportResults(): ImportResults =
    withContext(Dispatchers.IO) {
      val sortedRules: SortedSet<ByteString> = TreeSet()
      val sortedExceptionRules: SortedSet<ByteString> = TreeSet()
      var totalRuleBytes = 0
      var totalExceptionRuleBytes = 0

      fileSystem.source(publicSuffixListDotDat).buffer().use { source ->
        while (!source.exhausted()) {

    verifySetContents(set, EMPTY_COLLECTION);
  }

  public void testNewTreeSetEmpty() {
    TreeSet<Integer> set = Sets.newTreeSet();
    verifySortedSetContents(set, EMPTY_COLLECTION, null);
  }

  public void testNewTreeSetEmptyDerived() {
    TreeSet<Derived> set = Sets.newTreeSet();
    assertTrue(set.isEmpty());
    set.add(new Derived("foo"));
    set.add(new Derived("bar"));