import com.google.common.base.Optional;

/**
 * A base class for builders that construct graphs with user-defined properties.
 *
 * @author James Sexton
 */
abstract class AbstractGraphBuilder<N> {
  final boolean directed;
  boolean allowsSelfLoops = false;
  ElementOrder<N> nodeOrder = ElementOrder.insertion();
  ElementOrder<N> incidentEdgeOrder = ElementOrder.unordered();

  Optional<Integer> expectedNodeCount = Optional.absent();

 * javadoc for details.
 */
@GwtCompatible
abstract class CommonMatcher {
  public abstract boolean matches();

  public abstract boolean find();

  public abstract boolean find(int index);

  public abstract String replaceAll(String replacement);

  public abstract int end();

  public abstract int start();

/**
 * Simple non-reflection SocketAdapter for BouncyCastle.
 */
class BouncyCastleSocketAdapter : SocketAdapter {
  override fun matchesSocket(sslSocket: SSLSocket): Boolean = sslSocket is BCSSLSocket

  override fun isSupported(): Boolean = isSupported

  override fun getSelectedProtocol(sslSocket: SSLSocket): String? {
    val s = sslSocket as BCSSLSocket

    return when (val protocol = s.applicationProtocol) {

  }

  override fun shutdownNow(): List<Runnable> = throw UnsupportedOperationException()

  override fun isShutdown(): Boolean = shutdown

  override fun isTerminated(): Boolean = throw UnsupportedOperationException()

  override fun awaitTermination(
    timeout: Long,
    unit: TimeUnit,
  ): Boolean = throw UnsupportedOperationException()

    /**
     * Output encoding.
     */
    protected String outputEncoding = Constants.UTF_8;

    /**
     * If true, read a content as a text when an extraction fails.
     */
    protected boolean readAsTextIfFailed = false;

    /**
     * Max compression ratio.
     */
    protected long maxCompressionRatio = 100;

    /**
     * Max uncompression size.
     */

     * @return true if the option should be enabled
     */
    default boolean isOptionEnabled(
            UpgradeOptions options, Optional<Boolean> specificOption, boolean defaultWhenNoOptionsSpecified) {
        // Handle --all option (overrides individual options)
        boolean useAll = options.all().orElse(false);
        if (useAll) {
            return true;
        }

  }

  @Override
  public Set<E> edges() {
    return delegate().edges();
  }

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

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

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

  @Override

  abstract ContiguousSet<C> subSetImpl(
      C fromElement, boolean fromInclusive, C toElement, boolean toInclusive);

  @SuppressWarnings("MissingOverride") // Supermethod does not exist under GWT.
  abstract ContiguousSet<C> tailSetImpl(C fromElement, boolean inclusive);

  /**
   * Returns the set of values that are contained in both this set and the other.
   *

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.util;

/**
 * Functional interface for boolean functions.
 * Represents a function that accepts one argument and produces a boolean result.
 * @param <T> the type of the input to the function
 */
@FunctionalInterface
public interface BooleanFunction<T> {
    /**

     * @param size the size of the signature data
     * @return whether signature verification is successful
     */
    boolean verifySignature(byte[] buffer, int i, int size);

    /**
     * Checks if signature verification failed.
     *
     * @return whether signature verification failed
     */
    boolean isVerifyFailed();

    /**
     * Checks if the response indicates an error.
     *