}
        }

        if (!unhealthy.isEmpty()) {
            log.info("Removed {} unhealthy connections from pool", unhealthy.size());
        }

        // Perform maintenance tasks
        performMaintenanceTasks();
    }

    /**
     * Remove idle connections to free up pool space
     */
    private void removeIdleConnections() {

        try {
            Thread.sleep(10);
        } catch (InterruptedException e) {
            // Ignore
        }

        // When lease is lost, cache entry should be removed
        when(baseLeaseManager.getLease(leaseKey)).thenReturn(null);

        assertNull(directoryLeaseManager.getCacheEntry(directoryPath));
    }

    @Test
    public void testCanCacheDirectoryListing() {

*   Kubelet no longer removes unregistered extended resource capacities from node status; cluster admins will have to manually remove extended resources exposed via device plugins when they the remove plugins themselves. ([#53353](https://github.com/kubernetes/kubernetes/pull/53353),[ @jiayingz](https://github.com/jiayingz))

    the [Guava Beta Checker] to ensure that you do not use any `@Beta` APIs!**

2.  APIs without `@Beta` will remain binary-compatible for the indefinite
    future. (Previously, we sometimes removed such APIs after a deprecation
    period. The last release to remove non-`@Beta` APIs was Guava 21.0.) Even
    `@Deprecated` APIs will remain (again, unless they are `@Beta`). We have no
    plans to start removing things again, but officially, we're leaving our

- Kubeadm: removed the `UnversionedKubeletConfigMap` feature gate. The feature has been GA and locked to enabled since `v1.25`. ([#113448](https://github.com/kubernetes/kubernetes/pull/113448), [@pacoxu](https://github.com/pacoxu))

    EventListenerAdapter()
      .apply {
        listeners += ::logEvent
      }

  val eventListener: EventListener
    get() = eventListenerAdapter

  /** Events that haven't yet been removed. */
  val eventSequence: Deque<CallEvent> = ConcurrentLinkedDeque()

  /** The full set of events, used to match starts with ends. */
  private val eventsForMatching = ConcurrentLinkedDeque<CallEvent>()

  /**
   * Removes the mapping, if any, associated with the given keys.
   *
   * @param rowKey row key of mapping to be removed
   * @param columnKey column key of mapping to be removed
   * @return the value previously associated with the keys, or {@code null} if no such value existed
   */
  @CanIgnoreReturnValue
  @Nullable V remove(
      @CompatibleWith("R") @Nullable Object rowKey,

- kube-controller-manager
  - The deprecated `--insecure-experimental-approve-all-kubelet-csrs-for-group` flag has been removed.
- kubelet

      // all of the listed keys, for some reason the "java.compiler" key returns null in some JVMs.
      if (property == JAVA_COMPILER) {
        continue;
      }
      // Removed in Java 9:
      // https://docs.oracle.com/javase/9/migrate/toc.htm#JSMIG-GUID-2C896CA8-927C-4381-A737-B1D81D964B7B
      if (property == JAVA_EXT_DIRS) {
        continue;
      }

    }

    try {
      executor.execute(worker);
    } catch (Throwable t) {
      // Any Exception is either a RuntimeException or sneaky checked exception.
      synchronized (queue) {
        boolean removed =
            (workerRunningState == IDLE || workerRunningState == QUEUING)
                && queue.removeLastOccurrence(submittedTask);