/**
 * An Iterator implementation which draws elements from a queue, removing them from the queue as it
 * iterates. This class is not thread safe.
 */
@GwtCompatible
final class ConsumingQueueIterator<T extends @Nullable Object> extends AbstractIterator<T> {
  private final Queue<T> queue;

  ConsumingQueueIterator(Queue<T> queue) {
    this.queue = checkNotNull(queue);
  }

  @Override
  protected @Nullable T computeNext() {

 * under the License.
 */
package org.apache.maven.plugin.descriptor;

/**
 * Describes a component requirement.
 *
 */
public class Requirement implements Cloneable {
    private final String role;

    private final String roleHint;

    public Requirement(String role) {
        this.role = role;
        this.roleHint = null;
    }

    public Requirement(String role, String roleHint) {

import javax.inject.Singleton;

/**
 * {@code pom} packaging plugins bindings provider for {@code default} lifecycle.
 */
@Named("pom")
@Singleton
public final class PomLifecycleMappingProvider extends AbstractLifecycleMappingProvider {
    // START SNIPPET: pom
    private static final String[] BINDINGS = {
        "install", "org.apache.maven.plugins:maven-install-plugin:" + INSTALL_PLUGIN_VERSION + ":install",

import java.util.Optional;

import org.apache.maven.api.cli.cisupport.CIInfo;

/**
 * Circle CI support.
 */
public class CircleCIDetector implements CIDetector {
    public static final String NAME = "CircleCI";

    private static final String CIRCLECI = "CIRCLECI";

    @Override
    public Optional<CIInfo> detectCI() {
        String ciEnv = System.getenv(CIRCLECI);
        if ("true".equals(ciEnv)) {

import java.util.Optional;

import org.apache.maven.api.cli.cisupport.CIInfo;

/**
 * Jenkins CI support.
 */
public class JenkinsCIDetector implements CIDetector {
    public static final String NAME = "Jenkins";

    private static final String WORKSPACE = "WORKSPACE";

    @Override
    public Optional<CIInfo> detectCI() {
        String workspace = System.getenv(WORKSPACE);

        for (int i = 0; i < expected.length; i++) {
            final int idx = i;
            assertEquals(expected[i], dst[offset + i], () -> "byte index " + idx);
        }
        // The region before offset and after the payload must remain untouched.
        for (int i = 0; i < offset; i++) {
            final int idx = i;
            assertEquals(0, dst[i], () -> "pre-offset byte " + idx + " modified");

    private final List<Suppression> suppressions = new ArrayList<>();

    @Override
    public void suppress(Closeable closeable, Throwable thrown, Throwable suppressed) {
      suppressions.add(new Suppression(closeable, thrown, suppressed));
    }
  }

  /** Record of a call to suppress. */
  private static class Suppression {
    private final Closeable closeable;

public class DefaultCompressionService implements CompressionService {

    private static final Logger log = LoggerFactory.getLogger(DefaultCompressionService.class);

    // Configuration constants
    private static final int MIN_COMPRESSION_SIZE = 512; // 512 bytes minimum
    private static final int MAX_COMPRESSION_SIZE = 1024 * 1024; // 1MB maximum
    private static final int COMPRESSION_LEVEL = Deflater.DEFAULT_COMPRESSION;

    // Supported algorithms

 */
@GwtIncompatible
public final class FeatureUtil {
  /** A cache of annotated objects (typically a Class or Method) to its set of annotations. */
  private static final Map<AnnotatedElement, List<Annotation>> annotationCache = new HashMap<>();

  private static final Map<Class<?>, TesterRequirements> classTesterRequirementsCache =
      new HashMap<>();

            // Create a simple implementation for testing
            FileNotifyInformation impl = new FileNotifyInformation() {
                private final int action = FileNotifyInformation.FILE_ACTION_MODIFIED;
                private final String fileName = "implementation-test.txt";

                @Override
                public int getAction() {
                    return action;
                }