extends ForwardingMap<K, V> implements SortedMap<K, V> {
  // TODO(lowasser): identify places where thread safety is actually lost

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

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

  @Override
  @CheckForNull
  public Comparator<? super K> comparator() {

    extends AbstractSortedSetMultimap<K, V> {

  AbstractSortedKeySortedSetMultimap(SortedMap<K, Collection<V>> map) {
    super(map);
  }

  @Override
  public SortedMap<K, Collection<V>> asMap() {
    return (SortedMap<K, Collection<V>>) super.asMap();
  }

  @Override
  SortedMap<K, Collection<V>> backingMap() {
    return (SortedMap<K, Collection<V>>) super.backingMap();
  }

  @Override

    }

    @Override
    public SortedMap<K, V> subMap(K fromKey, K toKey) {
      return delegate().subMap(fromKey, true, toKey, false);
    }

    @Override
    public NavigableMap<K, V> tailMap(K fromKey, boolean inclusive) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate().tailMap(fromKey, inclusive);
    }

    @Override
    public SortedMap<K, V> tailMap(K fromKey) {

        .build();

    protected final SortedMap<String, FileCollectionFingerprint> previous;
    protected final SortedMap<String, CurrentFileCollectionFingerprint> current;
    private final String title;

    protected AbstractFingerprintChanges(SortedMap<String, FileCollectionFingerprint> previous, SortedMap<String, CurrentFileCollectionFingerprint> current, String title) {

import java.util.NavigableMap;
import java.util.SortedMap;

@GwtIncompatible // SerializableTester
public class ReserializedSafeTreeMapMapInterfaceTest
    extends SortedMapInterfaceTest<String, Integer> {
  public ReserializedSafeTreeMapMapInterfaceTest() {
    super(false, true, true, true, true);
  }

  @Override
  protected SortedMap<String, Integer> makePopulatedMap() {

 * limitations under the License.
 */

package com.google.common.collect.testing;

import com.google.common.annotations.GwtCompatible;
import java.util.Map.Entry;
import java.util.SortedMap;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Creates sorted maps, containing sample elements, to be tested.
 *
 * @author Louis Wasserman
 */
@GwtCompatible

import java.util.Map;
import java.util.SortedMap;
import java.util.function.BiFunction;

import static org.gradle.internal.execution.history.changes.AbstractFingerprintCompareStrategy.FINGERPRINT_CHANGE_FACTORY;

public class OutputFileChanges implements ChangeContainer {

    private final SortedMap<String, FileSystemSnapshot> previous;
    private final SortedMap<String, FileSystemSnapshot> current;

import com.google.common.annotations.GwtCompatible;
import java.util.SortedMap;

@GwtCompatible
public class RegularImmutableSortedMapMapInterfaceTest
    extends AbstractImmutableSortedMapMapInterfaceTest<String, Integer> {
  @Override
  protected SortedMap<String, Integer> makeEmptyMap() {
    return ImmutableSortedMap.of();
  }

  @Override
  protected SortedMap<String, Integer> makePopulatedMap() {

  @Override
  public SortedMap<K, V> subMap(@ParametricNullness K fromKey, @ParametricNullness K toKey) {
    return subMap(fromKey, true, toKey, false);
  }

  @Override
  public SortedMap<K, V> headMap(@ParametricNullness K toKey) {
    return headMap(toKey, false);
  }

  @Override
  public SortedMap<K, V> tailMap(@ParametricNullness K fromKey) {

import org.gradle.internal.fingerprint.FileCollectionFingerprint;

import java.util.SortedMap;

public class DefaultInputFileChanges extends AbstractFingerprintChanges implements InputFileChanges {
    private static final String TITLE = "Input";

    public DefaultInputFileChanges(SortedMap<String, FileCollectionFingerprint> previous, SortedMap<String, CurrentFileCollectionFingerprint> current) {
        super(previous, current, TITLE);
    }