/** For use as ThreadFactory in constructors */
  public static class SimpleThreadFactory implements ThreadFactory {
    public Thread newThread(Runnable r) {
      return new Thread(r);
    }
  }

  public interface TrackedRunnable extends Runnable {
    boolean isDone();
  }

  public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
    return new TrackedRunnable() {

  static final boolean GENERATE_CANCELLATION_CAUSES = false;

  /**
   * Tag interface marking trusted subclasses. This enables some optimizations. The implementation
   * of this interface must also be an AbstractFuture and must not override or expose for overriding
   * any of the public methods of ListenableFuture.
   */
  interface Trusted<V extends @Nullable Object> extends ListenableFuture<V> {}

    public static @Nullable Object bad() {
      return null;
    }
  }

  public void testGoodEquals() throws Exception {
    tester.testEquals(GoodEquals.class);
  }

  public void testEquals_interface() {
    tester.testEquals(AnInterface.class);
  }

  public void testEquals_abstractClass() {
    tester.testEquals(AnAbstractClass.class);
  }

  public void testEquals_enum() {

  public interface CollectionsImplEnum {
    <E extends Comparable<E>> Collection<E> create(Collection<E> contents);

    String name();
  }

  public interface MapsImplEnum {
    <K extends Comparable<K>, V> Map<K, V> create(Map<K, V> contents);

    String name();
  }

  public interface InternerImplEnum {
    <E> Interner<E> create(Collection<E> contents);

  public interface CollectionsImplEnum {
    <E extends Comparable<E>> Collection<E> create(Collection<E> contents);

    String name();
  }

  public interface MapsImplEnum {
    <K extends Comparable<K>, V> Map<K, V> create(Map<K, V> contents);

    String name();
  }

  public interface InternerImplEnum {
    <E> Interner<E> create(Collection<E> contents);

import java.util.HashSet;
import java.util.Set;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * Abstract base class for testing implementations of {@link Graph} interface. Graph instances
 * created for testing should have Integer node and String edge objects.
 *
 * <p>Test cases that should be handled similarly in any graph implementation are included in this

    }

    @Override
    public String toString() {
      return paramString(interfaceType, identity);
    }
  }

  /** Subclasses can override to provide different return value for proxied interface methods. */
  @CheckForNull
  Object interfaceMethodCalled(Class<?> interfaceType, Method method) {
    throw new UnsupportedOperationException();
  }

  private <T> T pickInstance(T[] instances, T defaultValue) {

 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#multiset">{@code Multiset}</a>.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface Multiset<E extends @Nullable Object> extends Collection<E> {
  // Query Operations

  /**
   * Returns the total number of all occurrences of all elements in this multiset.
   *

    Invokable<?, Object> invokable = A.method("notAnnotatedMethod");
    assertFalse(invokable.isAnnotationPresent(Tested.class));
  }

  @Retention(RetentionPolicy.RUNTIME)
  private @interface Tested {}

  private abstract static class A {
    @Tested private boolean privateField;
    @Tested int packagePrivateField;
    @Tested protected int protectedField;
    @Tested public String publicField;

              /* suffix= */ null,
              filePermissions.get())
          .toFile();
    }

    @IgnoreJRERequirement // see enclosing class (whose annotation Animal Sniffer ignores here...)
    private interface PermissionSupplier {
      FileAttribute<?> get() throws IOException;
    }

    private static final PermissionSupplier filePermissions;
    private static final PermissionSupplier directoryPermissions;