* specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.handler.manager;

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

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.DefaultArtifactHandler;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.configuration.internal;

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

import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.codehaus.plexus.component.configurator.BasicComponentConfigurator;
import org.codehaus.plexus.component.configurator.ComponentConfigurationException;

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

import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

import org.apache.maven.project.MavenProject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Default implementation of {@link BuildResumptionAnalyzer}.
 */
@Named
@Singleton

            }
        }
    }

    @Singleton
    @Named(Lifecycle.CLEAN)
    @SuppressWarnings("unused")
    static class CleanLifecycleProvider extends BaseLifecycleProvider {
        CleanLifecycleProvider() {
            super(Lifecycle.CLEAN);
        }
    }

    @Singleton
    @Named(Lifecycle.DEFAULT)
    @SuppressWarnings("unused")

 */
package org.apache.maven.artifact.resolver;

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

/**
 * Artifact collector - takes a set of original artifacts and resolves all of the best versions to use
 * along with their metadata. No artifacts are downloaded.
 */
@Deprecated
@Named
@Singleton
public class DefaultArtifactCollector extends org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector

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

package com.google.common.collect;

import static java.util.Collections.singleton;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.MapInterfaceTest;
import java.util.Collection;
import java.util.Map;

/**

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository.metadata;

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

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.factory.ArtifactFactory;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.model.superpom;

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

import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.eventspy.internal;

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

import java.util.ArrayList;
import java.util.List;

import org.apache.maven.eventspy.EventSpy;
import org.apache.maven.execution.ExecutionListener;
import org.eclipse.aether.RepositoryListener;

    Collection<String> c = MinimalCollection.of("a");
    Set<String> set = copyOf(c);
    assertEquals(singleton("a"), set);
  }

  public void testCopyOf_collection_oneElementRepeated() {
    Collection<String> c = MinimalCollection.of("a", "a", "a");
    Set<String> set = copyOf(c);
    assertEquals(singleton("a"), set);
  }

  public void testCopyOf_collection_general() {