*/
package org.codelibs.core.collection;

import java.util.Iterator;

import org.codelibs.core.exception.ClUnsupportedOperationException;

/**
 * An empty {@link Iterator}.
 *
 * @author higa
 * @param <T> the element type
 */
public class EmptyIterator<T> implements Iterator<T> {

    /**
     * Creates an {@link EmptyIterator}.
     */
    public EmptyIterator() {
    }

    @Override

    return new CompactHashSet<>();
  }

  /**
   * Creates a <i>mutable</i> {@code CompactHashSet} instance containing the elements of the given
   * collection in unspecified order.
   *
   * @param collection the elements that the set should contain
   * @return a new {@code CompactHashSet} containing those elements (minus duplicates)
   */
  public static <E extends @Nullable Object> CompactHashSet<E> create(

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new LDAP configuration exception with the specified detail message.
     *
     * @param message The detail message.
     */
    public LdapConfigurationException(final String message) {
        super(message);
    }

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new QueryParseException with the specified ParseException as the cause.
     *
     * @param cause the ParseException that caused this exception
     */
    public QueryParseException(final ParseException cause) {
        super(cause);
    }

public abstract class BinaryConversionUtil {

    /**
     * Do not instantiate.
     */
    protected BinaryConversionUtil() {
    }

    /**
     * Converts to a {@literal byte} array.
     *
     * @param o
     *            The object to convert
     * @return The {@literal byte} array
     */
    public static byte[] toBinary(final Object o) {
        if (o instanceof byte[]) {
            return (byte[]) o;

    private static final long serialVersionUID = 1L;

    /**
     * Creates a new {@link IllegalBlockSizeRuntimeException} with the specified cause.
     *
     * @param cause
     *            the cause
     */
    public IllegalBlockSizeRuntimeException(final IllegalBlockSizeException cause) {
        super("ECL0105", new Object[] { cause.getMessage() }, cause);
    }

/**
 * Filter based on a resource instance
 *
 * @author mbechler
 *
 */
public interface ResourceFilter {

    /**
     * Tests whether the specified SMB resource should be included.
     *
     * @param resource the SMB resource to test
     * @return whether the given resource should be included
     * @throws CIFSException if an error occurs while accessing the resource
     */

public class InvalidKeyRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = -3176447530746274091L;

    /**
     * Creates a {@link InvalidKeyRuntimeException}.
     *
     * @param cause
     *            The cause of the exception
     */
    public InvalidKeyRuntimeException(final InvalidKeyException cause) {
        super("ECL0068", asArray(cause), cause);
    }

 *
 */
public class UnsupportedExtractException extends ExtractException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructor.
     * @param message The error message.
     */
    public UnsupportedExtractException(final String message) {
        super(message, false, false);
    }

 * obtained during a crawling process.
 */
public interface ResponseProcessor {

    /**
     * Processes the given response data.
     *
     * @param responseData the response data to be processed
     */
    void process(ResponseData responseData);