return unsafeDelegateList(delegateList().subList(fromIndex, toIndex));
  }

  @Override
  public Object[] toArray() {
    // Note that ArrayList.toArray() doesn't work here because it returns E[]
    // instead of Object[].
    return delegateList().toArray(new Object[size()]);
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    return delegateList().equals(obj);
  }

  @Override

import java.io.InputStream;
import java.net.URL;
import java.util.Objects;

/**
 * Wraps an ordinary {@link URL} as a source.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
 */
@Deprecated(since = "4.0.0")
public class UrlSource implements Source {

    private final URL url;

    private final int hashCode;

    /**
     * Creates a new source backed by the specified URL.

            String arg = AstUtil.getNodeText(call.getArguments(), getSourceCode());
            addViolation(call, "Should use outputContains(" + arg + ") or failure.assertHasCause(" + arg + ") instead");
        }
    }

 * 'rootObject.getChild().getName()' for non-boolean properties, and
 * 'rootObject.getChild().isName()' for boolean properties.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class ObjectBasedValueSource extends AbstractValueSource {

    private final Object root;

    /**

import java.util.Map;
import java.util.Objects;

import org.eclipse.aether.artifact.AbstractArtifact;
import org.eclipse.aether.artifact.Artifact;

/**
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
public final class RelocatedArtifact extends AbstractArtifact {

    private final Artifact artifact;

    private final String groupId;

    private final String artifactId;

   * Long.bitCount(Long.MIN_VALUE) == 1}, but {@link Long#MIN_VALUE} is not a power of two.
   */
  // Whenever both tests are cheap and functional, it's faster to use &, | instead of &&, ||
  @SuppressWarnings("ShortCircuitBoolean")
  public static boolean isPowerOfTwo(long x) {
    return x > 0 & (x & (x - 1)) == 0;
  }

  /**

 * @since 1.0
 */
@GwtCompatible
public final class Longs {
  private Longs() {}

  /**
   * The number of bytes required to represent a primitive {@code long} value.
   *
   * <p>Prefer {@link Long#BYTES} instead.
   */
  public static final int BYTES = Long.BYTES;

  /**
   * The largest power of two that can be represented as a {@code long}.
   *
   * @since 10.0
   */

    return true;
  }

  @Override
  public T get() {
    return reference;
  }

  @Override
  public T or(T defaultValue) {
    checkNotNull(defaultValue, "use Optional.orNull() instead of Optional.or(null)");
    return reference;
  }

  @Override
  public Optional<T> or(Optional<? extends T> secondChoice) {
    checkNotNull(secondChoice);
    return this;
  }

  @Override

import java.util.Date;

import org.apache.maven.artifact.repository.metadata.Metadata;
import org.eclipse.aether.artifact.Artifact;

/**
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
abstract class MavenSnapshotMetadata extends MavenMetadata {
    static final String SNAPSHOT = "SNAPSHOT";

    protected final Collection<Artifact> artifacts = new ArrayList<>();

 * subclass this factory to provide custom implementations for some of the components used by the settings builder.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.SettingsBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class DefaultSettingsBuilderFactory {

    protected SettingsReader newSettingsReader() {
        return new DefaultSettingsReader();
    }