return false;
    }
  }

  abstract static class Chopper {

    final Chopper or(Chopper you) {
      Chopper i = this;
      return new Chopper() {
        @Override
        Optional<String> chop(String str) {
          return i.chop(str).or(you.chop(str));
        }
      };
    }

    abstract Optional<String> chop(String str);

 * AbstractExecutionThreadService} if you need only a single execution thread.
 *
 * @author Jesse Wilson
 * @author Luke Sandberg
 * @since 1.0
 */
@GwtIncompatible
@J2ktIncompatible
public abstract class AbstractService implements Service {
  private static final ListenerCallQueue.Event<Listener> STARTING_EVENT =
      new ListenerCallQueue.Event<Listener>() {
        @Override
        public void call(Listener listener) {

 * Base class for SMB1 NT Transaction response messages.
 *
 * NT Transactions are an extended form of the basic transaction protocol
 * that provides additional functionality for Windows NT-specific operations.
 */
public abstract class SmbComNtTransactionResponse extends SmbComTransactionResponse {

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

    /**
     * Constructs an NT transaction response.

 */
package gradlebuild.docs

import org.w3c.dom.*
import org.xml.sax.InputSource
import spock.lang.Specification

import javax.xml.parsers.DocumentBuilder
import javax.xml.parsers.DocumentBuilderFactory

abstract class XmlSpecification extends Specification {
    final Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()

    def parse(String str, Document document = null) {

   *     class under test.
   */
  protected abstract Map<K, V> makeEmptyMap() throws UnsupportedOperationException;

  /**
   * Creates a new, non-empty instance of the class under test.
   *
   * @return a new, non-empty map instance.
   * @throws UnsupportedOperationException if it's not possible to make a non-empty instance of the
   *     class under test.
   */

 * {@link EdgesConnecting} for a class that is more efficient but forbids parallel edges.
 *
 * @author James Sexton
 * @param <E> Edge parameter type
 */
abstract class MultiEdgesConnecting<E> extends AbstractSet<E> {

  private final Map<E, ?> outEdgeToNode;
  private final Object targetNode;

  MultiEdgesConnecting(Map<E, ?> outEdgeToNode, Object targetNode) {

 * than {@code KnownOrder} directly, because otherwise the code cannot be compiled.
 *
 * @author Kevin Bourrillion
 * @author Chris Povirk
 */
@GwtCompatible
@NullMarked
public abstract class IteratorTester<E extends @Nullable Object>
    extends AbstractIteratorTester<E, Iterator<E>> {
  /**
   * Creates an IteratorTester.
   *
   * @param steps how many operations to test for each tested pair of iterators

import org.apache.maven.api.cli.Options;
import org.apache.maven.api.cli.ParserRequest;

/**
 * Options that are "layered" by precedence order.
 *
 * @param <O> The type of options.
 */
public abstract class LayeredOptions<O extends Options> implements Options {
    protected final List<O> options;

    protected LayeredOptions(List<O> options) {
        this.options = new ArrayList<>(options);
    }

    @Override

package gradlebuild.buildutils.tasks

import org.gradle.api.DefaultTask
import org.gradle.api.tasks.TaskAction
import org.gradle.work.DisableCachingByDefault
import java.io.File

@DisableCachingByDefault
abstract class FixProjectHealthTask : DefaultTask() {

    private val errorLogFile = File("gradle-project-health.log")

    @TaskAction
    fun fixProjectHealth() {
        if (!errorLogFile.exists()) {

        }
      } else if (new TypeCapture<int[]>() {}.capture() instanceof Class) {
        CURRENT = JAVA7;
      } else {
        CURRENT = JAVA6;
      }
    }

    abstract Type newArrayType(Type componentType);

    abstract Type usedInGenericType(Type type);

    final ImmutableList<Type> usedInGenericType(Type[] types) {
      ImmutableList.Builder<Type> builder = ImmutableList.builder();