collect = scopesToCollect == null
                    ? Collections.emptySet()
                    : Collections.unmodifiableSet(new HashSet<>(scopesToCollect));
            resolve = scopesToResolve == null
                    ? Collections.emptySet()
                    : Collections.unmodifiableSet(new HashSet<>(scopesToResolve));
            this.aggregating = aggregating;

            int hash = 17;

 * limitations under the License.
 */

package com.google.common.collect.testing;

import static java.util.Arrays.asList;
import static java.util.Collections.emptySet;
import static java.util.Collections.unmodifiableSet;

import com.google.common.annotations.GwtCompatible;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.ListIterator;
import java.util.Set;

/**

 * limitations under the License.
 */

package com.google.common.collect.testing;

import static java.util.Arrays.asList;
import static java.util.Collections.emptySet;
import static java.util.Collections.unmodifiableSet;

import com.google.common.annotations.GwtCompatible;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.ListIterator;
import java.util.Set;

/**

    final Set<Artifact> artifacts;

    public SetWithResolutionResult(DependencyResolutionResult result, Set<Artifact> artifacts) {
        this.result = result;
        this.artifacts = Collections.unmodifiableSet(artifacts);
    }

    @Override
    public Iterator<Artifact> iterator() {
        return artifacts.iterator();
    }

    @Override
    public int size() {
        return artifacts.size();
    }

            Collection<String> packages,
            String key,
            XmlNode configuration) {
        this.realm = realm;
        this.artifacts = Collections.unmodifiableSet(new HashSet<>(artifacts));
        this.packages = Collections.unmodifiableSet(new HashSet<>(packages));
        this.key = key;
        this.configuration = configuration;
    }

    /**
     * Returns ClassLoader used to load extension classes.

  private final transient Set<E> delegate;

  ForwardingImmutableSet(Set<E> delegate) {
    // TODO(cpovirk): are we over-wrapping?
    this.delegate = Collections.unmodifiableSet(delegate);
  }

  @Override
  public UnmodifiableIterator<E> iterator() {
    return Iterators.unmodifiableIterator(delegate.iterator());
  }

  @Override

            super(id);
            this.projectScope = Objects.requireNonNull(projectScope);
            this.dependencyScopes =
                    Collections.unmodifiableSet(new HashSet<>(Arrays.asList(Objects.requireNonNull(dependencyScopes))));
        }

        @Override
        public ProjectScope projectScope() {
            return projectScope;
        }

        @Override

        this.extension = requireNonNull(extension, "extension");
        this.classifier = classifier;
        this.includesDependencies = includesDependencies;
        this.pathTypes = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(pathTypes)));

        Map<String, String> properties = new HashMap<>();
        properties.put(ArtifactProperties.TYPE, id);
        properties.put(ArtifactProperties.LANGUAGE, language.id());