) {
  // Guarded by the TaskRunner.
  internal var queue: TaskQueue? = null

  /** Undefined unless this is in [TaskQueue.futureTasks]. */
  internal var nextExecuteNanoTime = -1L

  /** Returns the delay in nanoseconds until the next execution, or -1L to not reschedule. */
  abstract fun runOnce(): Long

  internal fun initQueue(queue: TaskQueue) {
    if (this.queue === queue) return

import static com.google.common.util.concurrent.TestPlatform.verifyGetOnPendingFuture;
import static com.google.common.util.concurrent.TestPlatform.verifyTimedGetOnPendingFuture;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

  }

  public void testTimeToIdleAndToLive() {
    LoadingCache<?, ?> unused =
        CacheBuilder.newBuilder()
            .expireAfterWrite(1, NANOSECONDS)
            .expireAfterAccess(1, NANOSECONDS)
            .build(identityLoader());
    // well, it didn't blow up.
  }

  @GwtIncompatible // refreshAfterWrite
  public void testRefresh_zero() {

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.collect;

import static java.util.concurrent.TimeUnit.NANOSECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;

  }

  public void testTimeToIdleAndToLive() {
    LoadingCache<?, ?> unused =
        CacheBuilder.newBuilder()
            .expireAfterWrite(1, NANOSECONDS)
            .expireAfterAccess(1, NANOSECONDS)
            .build(identityLoader());
    // well, it didn't blow up.
  }

  @GwtIncompatible // refreshAfterWrite
  public void testRefresh_zero() {

import static com.google.common.util.concurrent.Platform.restoreInterruptIfIsInterruptedException;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;

        }
      },
    )

    check(latch.await(30, TimeUnit.SECONDS)) { "Timed out waiting for test $number to finish." }
    val endNanos = System.nanoTime()
    val tookMs = TimeUnit.NANOSECONDS.toMillis(endNanos - startNanos.get())
    println("Took ${tookMs}ms")
  }

  private fun getTestCount(): Long {
    val latch = CountDownLatch(1)
    val countRef = AtomicLong()

import static com.google.common.testing.SerializableTester.reserialize;
import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

    call: Call,
    cachedResponse: Response,
  ) {
    logWithTime("cacheConditionalHit: $cachedResponse")
  }

  private fun logWithTime(message: String) {
    val timeMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs)
    logger.log("[$timeMs ms] $message")
  }

  open class Factory
    @JvmOverloads
    constructor(

   *
   * @return whether the monitor was entered
   * @since 28.0 (but only since 33.4.0 in the Android flavor)
   */
  public boolean enter(Duration time) {
    return enter(toNanosSaturated(time), TimeUnit.NANOSECONDS);
  }

  /**
   * Enters this monitor. Blocks at most the given time.
   *
   * @return whether the monitor was entered
   */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration