* {@link SortedMultiset#entrySet}, and {@link SortedMultiset#remove(Object, int)}. In many
   * situations, you may wish to override {@link SortedMultiset#elementSet} to forward to this
   * implementation or a subclass thereof.
   */
  protected class StandardElementSet extends SortedMultisets.ElementSet<E> {
    /** Constructor for use by subclasses. */
    public StandardElementSet() {
      super(ForwardingSortedMultiset.this);

              public void remove() {
                throw new IllegalStateException() {
                  /* subclass */
                };
              }

              @Override
              public Integer next() {
                throw new NoSuchElementException() {
                  /* subclass */
                };
              }

              @Override
              public boolean hasNext() {

 *
 * <h3>Extension</h3>
 *
 * This class is package-private. If you want a class like {@code FluentFuture} but with extra
 * methods, we recommend declaring your own subclass of {@link ListenableFuture}, complete with a
 * method like {@link #from} to adapt an existing {@code ListenableFuture}, implemented atop a
 * {@link ForwardingListenableFuture} that forwards to that future and adds the desired methods.

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tester for typical subclass of {@link ForwardingObject} by using Mockito.
 *
 * @author Ben Yu
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
final class ForwardingObjectTester {

  private static final Method DELEGATE_METHOD;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tester for typical subclass of {@link ForwardingObject} by using Mockito.
 *
 * @author Ben Yu
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
final class ForwardingObjectTester {

  private static final Method DELEGATE_METHOD;

 * this class rather than implement {@link ValueGraph} directly.
 *
 * <p>The methods implemented in this class should not be overridden unless the subclass admits a
 * more efficient implementation.
 *
 * @author James Sexton
 * @param <N> Node parameter type
 * @param <V> Value parameter type
 * @since 20.0
 */

    }

    private static void generateJdkJarHellCheck(File projectRoot, Implementation mainImplementation) {
        DynamicType.Unloaded<?> dynamicType = new ByteBuddy()
                    .subclass(Object.class)
                    .name("org.elasticsearch.jdk.JdkJarHellCheck")
                .defineMethod("main",   void.class, Visibility.PUBLIC, Ownership.STATIC)
                .withParameters(String[].class)

   * ForwardingSortedMap}. In many cases, you may wish to override {@link
   * ForwardingSortedMap#keySet} to forward to this implementation or a subclass thereof.
   *
   * @since 15.0
   */
  protected class StandardKeySet extends Maps.SortedKeySet<K, V> {
    /** Constructor for use by subclasses. */
    public StandardKeySet() {

            // The actual logic is tested in AbstractUpgradeGoalTest
            // Here we just verify that Check is properly configured as a subclass
            assertTrue(checkGoal instanceof AbstractUpgradeGoal, "Check should extend AbstractUpgradeGoal");
            assertFalse(checkGoal.shouldSaveModifications(), "Check should not save modifications unlike Apply goal");

 * AbstractMapBasedMultimap} calls {@link #createCollection()} to create the collection of values
 * for that key. The subclass should not call {@link #createCollection()} directly, and a new
 * instance should be created every time the method is called.
 *
 * <p>For example, the subclass could pass a {@link java.util.TreeMap} during construction, and