assertPermutationsCount(1, Collections2.permutations(Collections.<Integer>emptyList()));
    assertPermutationsCount(1, Collections2.permutations(newArrayList(1)));
    assertPermutationsCount(2, Collections2.permutations(newArrayList(1, 2)));
    assertPermutationsCount(6, Collections2.permutations(newArrayList(1, 2, 3)));
    assertPermutationsCount(5040, Collections2.permutations(newArrayList(1, 2, 3, 4, 5, 6, 7)));

            setPluginArtifacts(Collections.unmodifiableSet(project.getPluginArtifacts()));
        }

        if (project.getReportArtifacts() != null) {
            setReportArtifacts(Collections.unmodifiableSet(project.getReportArtifacts()));
        }

        if (project.getExtensionArtifacts() != null) {
            setExtensionArtifacts(Collections.unmodifiableSet(project.getExtensionArtifacts()));

    return emptySet();
  }

  protected Collection<Method> suppressForTreeSetNatural() {
    return emptySet();
  }

  protected Collection<Method> suppressForTreeSetWithComparator() {
    return emptySet();
  }

  protected Collection<Method> suppressForCopyOnWriteArraySet() {
    return Collections.emptySet();
  }

  protected Collection<Method> suppressForUnmodifiableSet() {
    return emptySet();

 *
 * <p>For example, to test {@link java.util.Collections#unmodifiableList(java.util.List)
 * Collections.unmodifiableList}'s iterator:
 *
 * {@snippet :
 * List<String> expectedElements =
 *     Arrays.asList("a", "b", "c", "d", "e");
 * List<String> actualElements =
 *     Collections.unmodifiableList(
 *         Arrays.asList("a", "b", "c", "d", "e"));

            scopesToCollect.addAll(toScopes(mojoDescriptor.getDependencyCollectionRequired()));
        }
    }

    private Collection<String> toScopes(String classpath) {
        Collection<String> scopes = Collections.emptyList();

        if (classpath != null && !classpath.isEmpty()) {
            if (Artifact.SCOPE_COMPILE.equals(classpath)) {

 */
package org.apache.maven.model.plugin;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.apache.maven.lifecycle.LifeCyclePluginAnalyzer;
import org.apache.maven.model.Build;

 * under the License.
 */
package org.apache.maven.execution;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.function.Predicate;
import java.util.stream.Stream;

import static java.util.stream.Collectors.toSet;

/**
 * Container for storing the request from the user to activate or deactivate certain projects and optionally fail the

      @Override
      <K extends @Nullable Object, V extends @Nullable Object> Map<K, Collection<V>> createMap() {
        return Platform.newHashMapWithExpectedSize(expectedKeys);
      }
    };
  }

  /**
   * Uses a hash table to map keys to value collections.
   *
   * <p>The collections returned by {@link Multimap#keySet()}, {@link Multimap#keys()}, and {@link

import com.google.common.testing.SerializableTester;
import org.junit.Ignore;

/**
 * Basic reserialization test for collection types that must preserve {@code equals()} behavior when
 * reserialized. (Sets and Lists, but not bare Collections.)
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

    server.setProtocols(Collections.singletonList(Protocol.H2_PRIOR_KNOWLEDGE));
    server.enqueue(new MockResponse().setBody("hello"));
    server.start();

    OkHttpClient client = new OkHttpClient.Builder()
        .socketFactory(new UnixDomainSocketFactory(socketFile))
        .protocols(Collections.singletonList(Protocol.H2_PRIOR_KNOWLEDGE))
        .build();