Map<K, Collection<V>> result = map;
      if (result == null) {
        result =
            map =
                Collections.unmodifiableMap(
                    Maps.transformValues(delegate.asMap(), Multimaps::unmodifiableValueCollection));
      }
      return result;
    }

    @Override
    public Collection<Entry<K, V>> entries() {
      Collection<Entry<K, V>> result = entries;

 */

package com.google.common.collect;

import static com.google.common.collect.Maps.immutableEntry;
import static com.google.common.collect.Maps.transformEntries;
import static com.google.common.collect.Maps.transformValues;
import static com.google.common.collect.Maps.unmodifiableNavigableMap;
import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.collect.testing.Helpers.mapEntry;

    @Override
    public Map<R, Map<C, V>> rowMap() {
      synchronized (mutex) {
        return map(transformValues(delegate().rowMap(), m -> map(m, mutex)), mutex);
      }
    }

    @Override
    public Map<C, Map<R, V>> columnMap() {
      synchronized (mutex) {
        return map(transformValues(delegate().columnMap(), m -> map(m, mutex)), mutex);
      }
    }

    @Override

    @Override
    public Map<R, Map<C, V>> rowMap() {
      synchronized (mutex) {
        return map(transformValues(delegate().rowMap(), m -> map(m, mutex)), mutex);
      }
    }

    @Override
    public Map<C, Map<R, V>> columnMap() {
      synchronized (mutex) {
        return map(transformValues(delegate().columnMap(), m -> map(m, mutex)), mutex);
      }
    }

    @Override

      NavigableMap<K, V2> transformValues(
          NavigableMap<K, V1> fromMap, Function<? super V1, V2> function) {
    checkNotNull(function);
    return transformEntries(fromMap, (key, value) -> function.apply(value));
  }

  /**
   * Returns a view of a map whose values are derived from the original map's entries. In contrast

      NavigableMap<K, V2> transformValues(
          NavigableMap<K, V1> fromMap, Function<? super V1, V2> function) {
    checkNotNull(function);
    return transformEntries(fromMap, (key, value) -> function.apply(value));
  }

  /**
   * Returns a view of a map whose values are derived from the original map's entries. In contrast

  public ImmutableListMultimap<String, String> parameters() {
    return parameters;
  }

  private Map<String, ImmutableMultiset<String>> parametersAsMap() {
    return Maps.transformValues(parameters.asMap(), ImmutableMultiset::copyOf);
  }

  /**
   * Returns an optional charset for the value of the charset parameter if it is specified.
   *

  public ImmutableListMultimap<String, String> parameters() {
    return parameters;
  }

  private Map<String, ImmutableMultiset<String>> parametersAsMap() {
    return Maps.transformValues(parameters.asMap(), ImmutableMultiset::copyOf);
  }

  /**
   * Returns an optional charset for the value of the charset parameter if it is specified.
   *

  @IgnoreJRERequirement
  public ImmutableMap<Service, Duration> startupDurations() {
    return ImmutableMap.copyOf(
        Maps.<Service, Long, Duration>transformValues(startupTimes(), Duration::ofMillis));
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(ServiceManager.class)

   */
  @J2ObjCIncompatible
  public ImmutableMap<Service, Duration> startupDurations() {
    return ImmutableMap.copyOf(
        Maps.<Service, Long, Duration>transformValues(startupTimes(), Duration::ofMillis));
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(ServiceManager.class)