import java.net.IDN;
import java.net.InetAddress;
import java.net.URLDecoder;
import java.net.UnknownHostException;

import org.apache.http.conn.DnsResolver;

/**
 * The {@code IdnDnsResolver} class implements the {@code DnsResolver} interface
 * to provide DNS resolution with support for Internationalized Domain Names (IDN).
 * It converts Unicode domain names to ASCII Compatible Encoding (ACE) using the
 * {@link java.net.IDN} class.

public class SuppliersTest extends TestCase {

  static class CountingSupplier implements Supplier<Integer> {
    int calls = 0;

    @Override
    public Integer get() {
      calls++;
      return calls * 10;
    }

    @Override
    public String toString() {
      return "CountingSupplier";
    }
  }

  static class ThrowingSupplier implements Supplier<Integer> {
    @Override
    public Integer get() {

 * to the specific provider interface being implemented.
 * <p>
 * Example implementation for a custom language provider:
 * <pre>
 * public class CustomLanguageProvider implements LanguageProvider {
 *     public Collection&lt;Language&gt; provides() {
 *         return Arrays.asList(
 *             language("kotlin"),
 *             language("scala")
 *         );
 *     }
 * }
 * </pre>

 *
 * <p>The Invoker is designed to be flexible, allowing for different implementations
 * that can handle various types of {@link InvokerRequest InvokerRequests}. It also implements
 * {@link AutoCloseable} to ensure proper resource management.</p>
 *
 * @since 4.0.0
 */
@Experimental
public interface Invoker extends AutoCloseable {
    /**

import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.repository.legacy.metadata.MetadataResolutionRequest;

@Named("test")
@Singleton
@Deprecated
public class TestMetadataSource implements ArtifactMetadataSource {
    @Inject
    private ArtifactFactory factory;

    @Override
    public ResolutionGroup retrieve(

import org.codelibs.fess.crawler.Constants;

/**
 * Implementation of the {@link AccessResultData} interface.
 *
 * @param <IDTYPE> the type of the identifier
 */
public class AccessResultDataImpl<IDTYPE> implements AccessResultData<IDTYPE> {
    /** The unique identifier for the access result data. */
    protected IDTYPE id;

    /** The name of the transformer associated with this access result data. */

/**
 * OpenSearchAccessResultData is an implementation of {@link AccessResultData} for OpenSearch.
 */
public class OpenSearchAccessResultData extends AccessResultDataImpl<String> implements ToXContent {

    /**
     * Field name for ID.
     */
    public static final String ID = "id";

    /**
     * Field name for transformer name.
     */

import org.opensearch.core.xcontent.XContentBuilder;

/**
 * OpenSearchUrlQueue is an implementation of {@link UrlQueue} for OpenSearch.
 */
public class OpenSearchUrlQueue extends UrlQueueImpl<String> implements ToXContent {

    /**
     * Creates a new instance of OpenSearchUrlQueue.
     */
    public OpenSearchUrlQueue() {
        // NOP
    }

    /**
     * Field name for ID.
     */

 * the number of input documents, any errors that occurred during the operation,
 * and the time taken to complete the operation.
 */
public class SuggestIndexResponse implements Response {
    /** The number of suggest documents. */
    protected final int numberOfSuggestDocs;
    /** The number of input documents. */
    protected final int numberOfInputDocs;

    extends AtomicReference<@Nullable Runnable> implements Runnable {
  static {
    // Prevent rare disastrous classloading in first call to LockSupport.park.
    // See: https://bugs.openjdk.org/browse/JDK-8074773
    @SuppressWarnings("unused")
    Class<?> ensureLoaded = LockSupport.class;
  }

  private static final class DoNothingRunnable implements Runnable {
    @Override
    public void run() {}
  }