* {@code Optional} class. However, this common usage:
   *
   * {@snippet :
   * for (Foo foo : possibleFoo.asSet()) {
   *   doSomethingWith(foo);
   * }
   * }
   *
   * ... can be replaced with:
   *
   * {@snippet :
   * possibleFoo.ifPresent(foo -> doSomethingWith(foo));
   * }
   *
   * <p><b>Java 9 users:</b> some use cases can be written with calls to {@code optional.stream()}.
   *

//  2. Only the node hosting the disk is responsible to perform the heal
func monitorLocalDisksAndHeal(ctx context.Context, z *erasureServerPools) {
	// Perform automatic disk healing when a disk is replaced locally.
	diskCheckTimer := time.NewTimer(defaultMonitorNewDiskInterval)
	defer diskCheckTimer.Stop()

	for {
		select {
		case <-ctx.Done():
			return
		case <-diskCheckTimer.C:

            return replaceWithUnderscores(value);
        }
        return value;
    }

    /**
     * Replaces special characters in a string with underscores for group names.
     *
     * @param value the string to process
     * @return the string with special characters replaced by underscores
     */
    protected String replaceWithUnderscores(final String value) {

                newMapTable[index] = e;
            }
            mapTable = newMapTable;
            listTable = newListTable;
        }
    }

    /**
     * Replaces the value of the entry with a new value.
     *
     * @param entry
     *            the entry
     * @param value
     *            the new value for the entry
     * @return the previous value of the entry

  apiserver_flowcontrol_current_executing_requests ([#119110](https://github.com/kubernetes/kubernetes/pull/119110), [@andrewsykim](https://github.com/andrewsykim)) [SIG API Machinery and Instrumentation]
- Replace `apiserver_storage_db_total_size_in_bytes` with `apiserver_storage_size_bytes` metric ([#118812](https://github.com/kubernetes/kubernetes/pull/118812), [@serathius](https://github.com/serathius)) [SIG API Machinery, Instrumentation and Testing]

				return false, store.ErrNotConnected
			}
			return false, connErr
		}
	}

	return true, nil
}

// Save - saves the events to the store which will be replayed when the Nats connection is active.
func (target *NATSTarget) Save(eventData event.Event) error {
	if target.store != nil {
		_, err := target.store.Put(eventData)
		return err
	}

     */
    public byte[] deriveKey(byte[] baseKey, String label, byte[] context, int length) throws GeneralSecurityException {
        checkNotClosed();

        // Simple KDF implementation (should be replaced with proper KDF like HKDF)
        // This is a placeholder - real implementation should use proper KDF
        byte[] derived = new byte[length];

        // Combine inputs

   * executor. The listener will have the corresponding transition method called whenever the
   * service changes state. The listener will not have previous state changes replayed, so it is
   * suggested that listeners are added before the service starts.
   *
   * <p>{@code addListener} guarantees execution ordering across calls to a given listener but not

    d) Convey the object code by offering access from a designated
    place (gratis or for a charge), and offer equivalent access to the
    Corresponding Source in the same way through the same place at no
    further charge.  You need not require recipients to copy the
    Corresponding Source along with the object code.  If the place to
    copy the object code is a network server, the Corresponding Source

 *
 * <h4>Guarantees</h4>
 *
 * <p>Each makes the following guarantees:
 *
 * <ul>
 *   <li><b>Shallow immutability.</b> Elements can never be added, removed or replaced in this
 *       collection. This is a stronger guarantee than that of {@link
 *       Collections#unmodifiableCollection}, whose contents change whenever the wrapped collection
 *       is modified.