*/
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class Ticker {
  /** Constructor for use by subclasses. */
  protected Ticker() {}

  /** Returns the number of nanoseconds elapsed since this ticker's fixed point of reference. */
  public abstract long read();

  /**
   * A ticker that reads the current time using {@link System#nanoTime}.
   *
   * @since 10.0
   */

 * expose specific details about the criteria.
 *
 * @since 1.10
 */
@UsedByScanPlugin
public interface ComponentSelector {
    /**
     * Returns a human-consumable display name for this selector.
     *
     * @return Display name
     * @since 1.10
     */
    String getDisplayName();

    /**
     * Checks if selector matches component identifier.

		"Maximum number of active replication workers seen since server start")
	replicationMaxQueuedBytesMD = NewGaugeMD(replicationMaxQueuedBytes,
		"Maximum number of bytes queued for replication since server start")
	replicationMaxQueuedCountMD = NewGaugeMD(replicationMaxQueuedCount,
		"Maximum number of objects queued for replication since server start")
	replicationMaxDataTransferRateMD = NewGaugeMD(replicationMaxDataTransferRate,

     * synchronization starts.
     *
     * @return the tasks names
     * @since 5.4
     */
    public TaskDependency getSynchronizationTasks() {
        return synchronizationTasks;
    }

    /**
     * Set tasks to be executed before the Eclipse synchronization.
     *
     * @see #getSynchronizationTasks()
     * @since 5.4
     */
    public void synchronizationTasks(Object... synchronizationTasks) {

     * org.gradle.api.artifacts.ResolutionStrategy#getDependencySubstitution()}
     *
     * @since 1.4
     */
    boolean isSelectedByRule();

    /**
     * Informs whether the component is the requested selection of all dependency declarations, and was not replaced for some reason, such as conflict resolution.
     *
     * @since 1.11
     */
    boolean isExpected();

    /**

// result in a non-deferred call to time.Since, as experience has shown
// that this is nearly always a mistake.
//
// For example:
//
//	start := time.Now()
//	...
//	defer recordLatency(time.Since(start)) // error: call to time.Since is not deferred
//
// The correct code is:
//
//	defer func() { recordLatency(time.Since(start)) }()

			if !ifModifiedSince(objInfo.ModTime, givenTime) {
				// If the object is not modified since the specified time.
				writeHeaders()
				writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPreconditionFailed), r.URL)
				return true
			}
		}
	}

	// x-amz-copy-source-if-unmodified-since : Return the object only if it has not been
	// modified since the specified time, otherwise return a 412 (precondition failed).

    PluginResolutionStrategy getResolutionStrategy();

    /**
     * Configure the default plugin versions.
     * @since 5.6
     */
    void plugins(Action<? super PluginDependenciesSpec> action);

    /**
     * The Plugin dependencies, permitting default plugin versions to be configured.
     * @since 5.6
     */
    PluginDependenciesSpec getPlugins();

    /**

  /** @since 15.0 (previously returned ScheduledFuture) */
  @Override
  <V extends @Nullable Object> ListenableScheduledFuture<V> schedule(
      Callable<V> callable, long delay, TimeUnit unit);

  /** @since 15.0 (previously returned ScheduledFuture) */
  @Override
  ListenableScheduledFuture<?> scheduleAtFixedRate(
      Runnable command, long initialDelay, long period, TimeUnit unit);

     * @since 4.2
     */
    <T> T newInstance(Class<? extends T> type, Object... parameters) throws ObjectInstantiationException;

    /**
     * Creates a {@link SourceDirectorySet}.
     *
     * @param name A short name for the set.
     * @param displayName A human consumable display name for the set.
     * @since 5.0
     */