* the life cycle methods.
 *
 * <h3>Usage Example</h3>
 *
 * <p>Here is a sketch of a service which crawls a website and uses the scheduling capabilities to
 * rate limit itself.
 *
 * {@snippet :
 * class CrawlingService extends AbstractScheduledService {
 *   private Set<Uri> visited;
 *   private Queue<Uri> toCrawl;

              protected Schedule getNextSchedule() throws Exception {
                // Explicitly yield to increase the probability of a pathological scheduling.
                Thread.yield();
                return new Schedule(0, SECONDS);
              }
            };
          }
        };
    service.useBarriers = false;

              protected Schedule getNextSchedule() throws Exception {
                // Explicitly yield to increase the probability of a pathological scheduling.
                Thread.yield();
                return new Schedule(0, SECONDS);
              }
            };
          }
        };
    service.useBarriers = false;

    - [Federation](#federation)
    - [Internal Storage Layer](#internal-storage-layer)
    - [Node Components](#node-components)
    - [kubectl](#kubectl)
    - [RBAC](#rbac)
    - [Scheduling](#scheduling)
    - [Service](#service)
    - [StatefulSet](#statefulset)
    - [Volumes](#volumes)
  - [Notable Features](#notable-features)
    - [Autoscaling](#autoscaling)
    - [DaemonSet](#daemonset)

   * _last_ request, but it remembers the (expected) time of the _next_ request. This also enables
   * us to tell immediately (see tryAcquire(timeout)) whether a particular timeout is enough to get
   * us to the point of the next scheduling time, since we always maintain that. And what we mean by
   * "an unused RateLimiter" is also defined by that notion: when we observe that the

        cleanup();
        return this.connections.contains(trans);
    }

    @Override
    public void removeTransport(final SmbTransport trans) {
        if (log.isDebugEnabled()) {
            log.debug("Scheduling transport connection for removal " + trans + " (" + System.identityHashCode(trans) + ")");
        }
        this.toRemove.add((SmbTransportImpl) trans);
    }

    private void cleanup() {

  - PriorityClass resources will no longer be served from `scheduling.k8s.io/v1beta1` and `scheduling.k8s.io/v1alpha1` in v1.17. Migrate use to the `scheduling.k8s.io/v1` API, available since v1.14. Existing persisted data can be retrieved via the `scheduling.k8s.io/v1` API.
  - The `export` query parameter for list API calls, deprecated since v1.14, will be removed in v1.18.

    - [Storage](#storage-1)
    - [Windows](#windows-1)
    - [Autoscaling](#autoscaling)
    - [API-Machinery](#api-machinery-1)
    - [Network](#network-1)
    - [Azure](#azure-1)
    - [Scheduling](#scheduling)
    - [Other changes](#other-changes)
  - [Non-user-facing Changes](#non-user-facing-changes)
  - [External Dependencies](#external-dependencies)
- [v1.10.0-rc.1](#v1100-rc1)

        }

        // Schedule lazy loading of parent groups
        if (!groupIdsForParentLookup.isEmpty()) {
            if (logger.isDebugEnabled()) {
                logger.debug("[updateMemberOf] Scheduling parent group lookup for {} group IDs: {}", groupIdsForParentLookup.size(),
                        groupIdsForParentLookup);
            }

    // ============================================================
    // Default Configuration Values
    // ============================================================

    /** Default cron expression for general scheduling (daily at midnight). */
    public static final String DEFAULT_CRON_EXPRESSION = "0 0 * * *";

    /** Default cron expression for search log processing (every minute). */