}

  // Some convenient Runnable classes

  public abstract class CheckedRunnable implements Runnable {
    protected abstract void realRun() throws Throwable;

    @Override
    public final void run() {
      try {
        realRun();
      } catch (Throwable t) {
        threadUnexpectedException(t);
      }
    }
  }

  public abstract class RunnableShouldThrow implements Runnable {

 * {@code entryIterator()}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
abstract class DescendingMultiset<E extends @Nullable Object> extends ForwardingMultiset<E>
    implements SortedMultiset<E> {
  abstract SortedMultiset<E> forwardMultiset();

  @LazyInit private transient @Nullable Comparator<? super E> comparator;

  @Override

            }
            return true
        }
    }

    @get:OutputFile
    abstract val outputFile: RegularFileProperty

    @get:CompileClasspath
    abstract val classpath: ConfigurableFileCollection

    @get:Input
    abstract val excludes: ListProperty<String>

    @get:Input
    abstract val includes: ListProperty<String>

    init {
        excludes.convention(DEFAULT_EXCLUDES)

  @VisibleForTesting
  static String atomicHelperTypeForTest() {
    return ATOMIC_HELPER.atomicHelperTypeForTest();
  }

  private abstract static class AtomicHelper {
    /** Performs an atomic compare-and-set of {@link AggregateFutureState#seenExceptionsField}. */
    abstract void compareAndSetSeenExceptions(
        AggregateFutureState<?> state, @Nullable Set<Throwable> expect, Set<Throwable> update);

 *
 * @author Charles Fry
 * @since 11.0
 */
@GwtIncompatible
public abstract class ForwardingLoadingCache<K, V> extends ForwardingCache<K, V>
    implements LoadingCache<K, V> {

  /** Constructor for use by subclasses. */
  protected ForwardingLoadingCache() {}

  @Override
  protected abstract LoadingCache<K, V> delegate();

  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this

 * <ul>
 *   <li>ID: Using the {@code combine.id} attribute</li>
 *   <li>Keys: Using the {@code combine.keys} attribute with comma-separated key names</li>
 * </ul>
 *
 * @since 4.0.0
 */
public abstract class XmlService {

    /** Attribute name controlling how child elements are combined */
    public static final String CHILDREN_COMBINATION_MODE_ATTRIBUTE = "combine.children";

/**
 * Skeletal implementation of {@link NavigableMap}.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible
abstract class AbstractNavigableMap<K extends @Nullable Object, V extends @Nullable Object>
    extends IteratorBasedAbstractMap<K, V> implements NavigableMap<K, V> {

  @Override
  public abstract @Nullable V get(@Nullable Object key);

  @Override
  public @Nullable Entry<K, V> firstEntry() {

import javax.xml.XMLConstants
import javax.xml.parsers.DocumentBuilderFactory

@DisableCachingByDefault(because = "Not worth tracking")
abstract class AbstractVersionsUpdateTask : DefaultTask() {

    @get:Internal
    abstract val comment: Property<String>

    @get:Internal
    abstract val propertiesFile: RegularFileProperty

    protected
    fun updateCompatibilityDoc(
        compatibilityDocFile: RegularFileProperty,

import org.gradle.work.DisableCachingByDefault

@CompileStatic
@DisableCachingByDefault(because = "Only filters the input artifact")
abstract class FindGradleClasspath implements TransformAction<TransformParameters.None> {

    @PathSensitive(PathSensitivity.NAME_ONLY)
    @InputArtifact
    abstract Provider<FileSystemLocation> getArtifact()

    @Override
    void transform(TransformOutputs outputs) {

      return 4;
    }
  }

  abstract static class RowTests extends MapTests {
    RowTests(
        boolean allowsNullValues,
        boolean supportsPut,
        boolean supportsRemove,
        boolean supportsClear,
        boolean supportsIteratorRemove) {
      super(allowsNullValues, supportsPut, supportsRemove, supportsClear, supportsIteratorRemove);
    }

    abstract Table<Character, String, Integer> makeTable();