private static final class NodeAndRemainingSuccessors<N> {
    final N node;

    /**
     * The successors left to be visited, or {@code null} if we just added this {@code
     * NodeAndRemainingSuccessors} instance to the stack. In the latter case, we'll compute the
     * successors if we determine that we need them after we've performed the initial processing of
     * the node.
     */
    @Nullable Queue<N> remainingSuccessors;

specific language governing permissions and limitations
under the License.
-->

<model xmlns="http://codehaus-plexus.github.io/MODELLO/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://codehaus-plexus.github.io/MODELLO/2.0.0 https://codehaus-plexus.github.io/modello/xsd/modello-2.0.0.xsd"
  xml.namespace="http://maven.apache.org/PLUGIN/${version}"

    /**
     * Default directory name for thumbnails.
     */
    protected static final String THUMBNAILS_DIR_NAME = "thumbnails";

    /**
     * Logger instance for this class.
     */
    protected static final Logger logger = LogManager.getLogger(ThumbnailManager.class);

    /**
     * Base directory for storing thumbnail files.
     */
    protected File baseDir;

    boolean isAllowCompound(String command);

    /**
     * Machine identifier
     *
     * ClientGuid, ... are derived from this value.
     *
     * Normally this should be randomly assigned for each client instance/configuration.
     *
     * @return machine identifier (32 byte)
     */
    byte[] getMachineId();

    /**
     *
     *

        }

        @Test
        @DisplayName("Should have initial zero state")
        void shouldHaveInitialZeroState() {
            // Given - newly created instance
            FileFsFullSizeInformation freshInfo = new FileFsFullSizeInformation();

            // Then
            assertEquals(0L, freshInfo.getCapacity());
            assertEquals(0L, freshInfo.getFree());

    /** Jackson ObjectMapper for JSON serialization/deserialization. */
    protected ObjectMapper mapper = new ObjectMapper();;

    /**
     * Default constructor for creating a new SearchHelper instance.
     */
    public SearchHelper() {
        // Default constructor
    }

    // ===================================================================================

    private SystemHelper systemHelper;

    /** Fess configuration settings. */
    @Resource
    protected FessConfig fessConfig;

    /**
     * Default constructor for creating a new SearchLogService instance.
     */
    public SearchLogService() {
        // Default constructor
    }

    /**
     * Deletes search logs older than the specified number of days.
     *

    implements Serializable {

  @VisibleForTesting final NavigableMap<Cut<C>, Range<C>> rangesByLowerBound;

  /** Creates an empty {@code TreeRangeSet} instance. */
  public static <C extends Comparable<?>> TreeRangeSet<C> create() {
    return new TreeRangeSet<>(new TreeMap<Cut<C>, Range<C>>());
  }

   *
   * @since 2.0
   */
  interface Entry<E extends @Nullable Object> {

    /**
     * Returns the multiset element corresponding to this entry. Multiple calls to this method
     * always return the same instance.
     *
     * @return the element corresponding to this entry
     */
    @ParametricNullness
    E getElement();

    /**

{enumerable:!0,get:()=>t[s]})}return e.default=t,Object.freeze(e)}const s=e(t),i=new Map,n={set(t,e,s){i.has(t)||i.set(t,new Map);const n=i.get(t);n.has(e)||0===n.size?n.set(e,s):console.error(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${Array.from(n.keys())[0]}.`)},get:(t,e)=>i.has(t)&&i.get(t).get(e)||null,remove(t,e){if(!i.has(t))return;const s=i.get(t);s.delete(e),0===s.size&&i.delete(t)}},o="transitionend",r=t=>(t&&window.CSS&&window.CSS.escape&&(t=t.replac...