*/
    public int getMessageCount() {
        synchronized (messagesLock) {
            return messages != null ? messages.size() : 0;
        }
    }

    /**
     * Clears all messages in this session and updates the last accessed timestamp.
     */
    public void clearMessages() {
        synchronized (messagesLock) {
            if (messages != null) {
                messages.clear();

  }

  @Override
  public int size() {
    synchronized (lock) {
      return cachingHashMap.size();
    }
  }

  @Override
  public boolean isEmpty() {
    synchronized (lock) {
      return cachingHashMap.isEmpty();
    }
  }

  @Override
  public @Nullable V get(@Nullable Object key) {
    Timestamped<V> value;
    synchronized (lock) {
      checkNotNull(key);

    }

    @Override
    public void onSuccess(String result) {
      synchronized (monitor) {
        assertFalse(wasCalled);
        wasCalled = true;
        assertThat(result).isEqualTo(value);
      }
    }

    @Override
    public synchronized void onFailure(Throwable t) {
      synchronized (monitor) {
        assertFalse(wasCalled);
        wasCalled = true;

        }
      }
    }

    synchronized void write(int b) throws IOException {
      update(1);
      out.write(b);
    }

    synchronized void write(byte[] b, int off, int len) throws IOException {
      update(len);
      out.write(b, off, len);
    }

    synchronized void close() throws IOException {
      out.close();
    }

    synchronized void flush() throws IOException {

    }

    @Override
    public void onSuccess(String result) {
      synchronized (monitor) {
        assertFalse(wasCalled);
        wasCalled = true;
        assertThat(result).isEqualTo(value);
      }
    }

    @Override
    public synchronized void onFailure(Throwable t) {
      synchronized (monitor) {
        assertFalse(wasCalled);
        wasCalled = true;

   *
   * @param table the table to be wrapped in a synchronized view
   * @return a synchronized view of the specified table
   * @since 22.0
   */
  @J2ktIncompatible // Synchronized
  public static <R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>
      Table<R, C, V> synchronizedTable(Table<R, C, V> table) {
    return Synchronized.table(table, null);
  }

      completionLatch.await();
      synchronized (this) {
        return ImmutableList.copyOf(stateHistory);
      }
    }

    @Override
    public synchronized void starting() {
      assertTrue(stateHistory.isEmpty());
      assertThat(service.state()).isNotEqualTo(State.NEW);
      stateHistory.add(State.STARTING);
    }

    @Override
    public synchronized void running() {

      completionLatch.await();
      synchronized (this) {
        return ImmutableList.copyOf(stateHistory);
      }
    }

    @Override
    public synchronized void starting() {
      assertTrue(stateHistory.isEmpty());
      assertThat(service.state()).isNotEqualTo(State.NEW);
      stateHistory.add(State.STARTING);
    }

    @Override
    public synchronized void running() {

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.truth.Truth.assertThat;

import com.google.common.collect.Synchronized.SynchronizedCollection;
import com.google.common.collect.Synchronized.SynchronizedSet;
import com.google.common.testing.SerializableTester;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

      hitCount++
    }
  }

  @Synchronized internal fun trackConditionalCacheHit() {
    hitCount++
  }

  @Synchronized fun networkCount(): Int = networkCount

  @Synchronized fun hitCount(): Int = hitCount

  @Synchronized fun requestCount(): Int = requestCount

  private inner class RealCacheRequest(