import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

public class CorsFilter implements Filter {

    private static final Logger logger = LogManager.getLogger(CorsFilter.class);

    protected static final String OPTIONS = "OPTIONS";

    @Override

import java.util.Set;

/**
 * Create string sets for collection tests.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestStringSetGenerator implements TestSetGenerator<String> {
  @Override
  public SampleElements<String> samples() {
    return new Strings();
  }

  @Override
  public Set<String> create(Object... elements) {

import java.util.Set;

/**
 * Create integer sets for collection tests.
 *
 * @author Gregory Kick
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestIntegerSetGenerator implements TestSetGenerator<Integer> {
  @Override
  public SampleElements<Integer> samples() {
    return new Ints();
  }

  @Override
  public Set<Integer> create(Object... elements) {

 *
 * @author Jesse Wilson
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestMapEntrySetGenerator<
        K extends @Nullable Object, V extends @Nullable Object>
    implements TestSetGenerator<Map.Entry<K, V>> {
  private final SampleElements<K> keys;
  private final SampleElements<V> values;

  protected TestMapEntrySetGenerator(SampleElements<K> keys, SampleElements<V> values) {

import java.util.Set;

/**
 * Create string sets for collection tests.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestStringSetGenerator implements TestSetGenerator<String> {
  @Override
  public SampleElements<String> samples() {
    return new Strings();
  }

  @Override
  public Set<String> create(Object... elements) {

 *
 * @author Luke Sandberg
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
abstract class WrappingScheduledExecutorService extends WrappingExecutorService
    implements ScheduledExecutorService {
  final ScheduledExecutorService delegate;

  protected WrappingScheduledExecutorService(ScheduledExecutorService delegate) {
    super(delegate);
    this.delegate = delegate;
  }

 *
 * @author Louis Wasserman
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
abstract class DescendingMultiset<E extends @Nullable Object> extends ForwardingMultiset<E>
    implements SortedMultiset<E> {
  abstract SortedMultiset<E> forwardMultiset();

  @Nullable private transient Comparator<? super E> comparator;

  @Override
  public Comparator<? super E> comparator() {

 * Handles serialization of a model into some kind of textual format like XML.
 *
 * @deprecated use {@link XmlStreamWriter} instead
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultModelWriter implements ModelWriter {

    @Override
    public void write(File output, Map<String, Object> options, Model model) throws IOException {
        Objects.requireNonNull(output, "output cannot be null");

import org.apache.maven.artifact.ArtifactScopeEnum;

/**
 * metadata graph vertice - just a wrapper around artifact's metadata
 *
 */
@Deprecated
public class MetadataGraphVertex implements Comparable<MetadataGraphVertex> {
    ArtifactMetadata md;

    // indications to use these in comparison
    private boolean compareVersion = false;
    private boolean compareScope = false;

                    session, installationToolchainsSource, userToolchainsSource);
        }

        private static class DefaultToolchainsBuilderRequest extends BaseRequest implements ToolchainsBuilderRequest {
            private final Source installationToolchainsSource;
            private final Source userToolchainsSource;

            @SuppressWarnings("checkstyle:ParameterNumber")