StatsCounter counter = new SimpleStatsCounter();
    counter.recordLoadSuccess(Long.MAX_VALUE);
    counter.recordLoadSuccess(1);
    CacheStats stats = counter.snapshot();
    assertThat(stats.totalLoadTime()).isEqualTo(Long.MAX_VALUE);
  }

  public void testSimpleStatsIncrementBy() {
    long totalLoadTime = 0;

    SimpleStatsCounter counter1 = new SimpleStatsCounter();

        ChannelFailover.FailoverState state = new ChannelFailover.FailoverState("test-channel");

        long firstRetry = state.getNextRetryTime();
        state.incrementRetry();

        long secondRetry = state.getNextRetryTime();
        state.incrementRetry();

        long thirdRetry = state.getNextRetryTime();

        // Should have exponential backoff
        assertTrue(secondRetry > firstRetry);

 * }</pre>
 *
 * @see System#nanoTime()
 * @see Clock
 */
public class MonotonicClock extends Clock {
    private static final MonotonicClock CLOCK = new MonotonicClock();

    private final long startNanos;
    private final Instant startInstant;

    /**
     * Private constructor to enforce singleton pattern.
     * Initializes the clock with the current system time and nanoTime.
     */

            false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnCreatedTime = cci("createdTime", "createdTime", null, null, Long.class, "createdTime", null, false,
            false, false, "Long", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnCronExpression = cci("cronExpression", "cronExpression", null, null, String.class, "cronExpression",

                    ai++;
                    t.numIter = Integer.parseInt(args[ai]);
                } else if (args[ai].equals("-d")) {
                    ai++;
                    t.delay = Long.parseLong(args[ai]);
                } else {
                    t.url = args[ai];
                }
            }

            assertEquals(expectedUrl, t.url, "URL should be correctly parsed");

    new EqualsTester()
        .addEqualityGroup(Optional.absent(), reserialize(Optional.absent()))
        .addEqualityGroup(Optional.of(Long.valueOf(5)), reserialize(Optional.of(Long.valueOf(5))))
        .addEqualityGroup(Optional.of(Long.valueOf(42)), reserialize(Optional.of(Long.valueOf(42))))
        .testEquals();
  }

  public void testToString_absent() {

  static final double LONG_MANY_VALUES_MIN = -44444444.0;

  // Longs which will overflow if summed (using long arithmetic):
  static final long[] LARGE_LONG_VALUES = {Long.MAX_VALUE, Long.MAX_VALUE / 2};
  static final double LARGE_LONG_VALUES_MEAN =
      BigInteger.valueOf(Long.MAX_VALUE)
          .multiply(BigInteger.valueOf(3L))
          .divide(BigInteger.valueOf(4L))
          .doubleValue();

  public static <E> int drainUninterruptibly(
      BlockingQueue<E> q,
      Collection<? super E> buffer,
      int numElements,
      long timeout,
      TimeUnit unit) {
    Preconditions.checkNotNull(buffer);
    long deadline = System.nanoTime() + unit.toNanos(timeout);
    int added = 0;
    boolean interrupted = false;
    try {
      while (added < numElements) {

   * <p>See {@link #verify(boolean, String, Object...)} for details.
   *
   * @since 23.1 (varargs overload since 17.0)
   */
  public static void verify(
      boolean expression, String errorMessageTemplate, long p1, long p2) {
    if (!expression) {
      throw new VerifyException(lenientFormat(errorMessageTemplate, p1, p2));
    }
  }

  /**

- CLI client. This is the `gradle` or `gradlew` command, and is responsible for locating, starting and interacting with the Gradle daemon, potentially downloading the Gradle distribution. 
- Tooling API client. This a library that is embedded into applications, such as IDEs or CI agents, that allows them to act as a Gradle client.