* This class provides methods for managing system properties, handling JSP files,
 * normalizing configurations, and other system-related tasks.
 */
public class SystemHelper {

    /**
     * Constructs a new system helper.
     */
    public SystemHelper() {
        // do nothing
    }

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

    }

    @Override
    public void close() throws IOException {
        pipe.close();
    }

    @Override
    public void write(final int b) throws IOException {
        tmp[0] = (byte) b;
        write(tmp, 0, 1);
    }

    @Override
    public void write(final byte[] b) throws IOException {
        write(b, 0, b.length);
    }

    @Override

    this.delegate = checkNotNull(delegate);
  }

  @Override
  public void addListener(Runnable listener, Executor executor) {
    delegate.addListener(listener, executor);
  }

  @Override
  public boolean cancel(boolean mayInterruptIfRunning) {
    return delegate.cancel(mayInterruptIfRunning);
  }

  @Override
  public boolean isCancelled() {
    return delegate.isCancelled();
  }

  @Override

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> putAll(K key, Iterable<? extends V> values) {
      super.putAll(key, values);
      return this;
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> putAll(K key, V... values) {
      return putAll(key, asList(values));
    }

    @CanIgnoreReturnValue
    @Override

     * @param name The name.
     * @param type The type.
     */
    public OpenSearchUrlQueueService(final String name, final String type) {
        index = name + "." + type;
    }

    /**
     * Initializes the service.
     */
    @PostConstruct
    public void init() {
        fesenClient.addOnConnectListener(() -> createMapping("queue"));
    }

    /**

@J2ktIncompatible
@GwtIncompatible // TODO(dpb): GWT compatibility.
public final class ClosingFuture<V extends @Nullable Object> {

  private static final LazyLogger logger = new LazyLogger(ClosingFuture.class);

  /**
   * An object that can capture objects to be closed later, when a {@link ClosingFuture} pipeline is
   * done.
   */
  public static final class DeferredCloser {

import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;

public class GroovyEngineTest extends UnitFessTestCase {
    public GroovyEngine groovyEngine;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        groovyEngine = new GroovyEngine();
    }

    @Override
    public void tearDown() throws Exception {
        ComponentUtil.setFessConfig(null);

  abstract Lock delegate();

  @Override
  public void lock() {
    delegate().lock();
  }

  @Override
  public void lockInterruptibly() throws InterruptedException {
    delegate().lockInterruptibly();
  }

  @Override
  public boolean tryLock() {
    return delegate().tryLock();
  }

  @Override
  public boolean tryLock(long time, TimeUnit unit) throws InterruptedException {

 *
 */
@Deprecated
public class MetadataRetrievalException extends Exception {

    private ArtifactMetadata artifact;

    public MetadataRetrievalException(String message) {
        this(message, null, null);
    }

    public MetadataRetrievalException(Throwable cause) {
        this(null, cause, null);
    }

    public MetadataRetrievalException(String message, Throwable cause) {