assertFailsToDecode(base64(), "Wf2!", "Unrecognized character: !");
    // This sentence just isn't base64() encoded.
    assertFailsToDecode(base64(), "let's not talk of love or chains!");
    // A 4n+1 length string is never legal base64().
    assertFailsToDecode(base64(), "12345", "Invalid input length 5");
    // These have a combination of invalid length, unrecognized characters and wrong padding.

  public <T extends @Nullable Object> T[] toArray(T[] array) {
    return snapshotElementsToList().toArray(array);
  }

  /*
   * We'd love to use 'new ArrayList(this)' or 'list.addAll(this)', but
   * either of these would recurse back to us again!
   */
  private List<E> snapshotElementsToList() {
    List<E> list = newArrayListWithExpectedSize(size());

        if (cancelled) {
          // Unless it is cancelled, the delegate may continue being scheduled
          scheduledDelegate.cancel(mayInterruptIfRunning);

          /*
           * We'd love to also arrange for the inverse -- that is, to also automatically cancel this
           * future if scheduledDelegate is cancelled (as happens after the delegate executor is

  }

  /** Returns the index of the max element. */
  private int getMaxElementIndex() {
    switch (size) {
      case 1:
        return 0; // The lone element in the queue is the maximum.
      case 2:
        return 1; // The lone element in the maxHeap is the maximum.
      default:
        // The max element must sit on the first level of the maxHeap. It is

 * @since 2.0
 */
@GwtCompatible
public final class Collections2 {
  private Collections2() {}

  /**
   * Returns the elements of {@code unfiltered} that satisfy a predicate. The returned collection is
   * a live view of {@code unfiltered}; changes to one affect the other.
   *
   * <p>The resulting collection's iterator does not support {@code remove()}, but all other

        /**
         * Get the source node for move operations
         *
         * @return source node name
         */
        public String getSourceNode() {
            return sourceNode;
        }

        /**
         * Sets the source node for move operations.
         *
         * @param sourceNode the name of the source node in a share move operation
         */

        }
    }

    /**
     * Moves to a specific page.
     * @param form The search form.
     * @param move The number of pages to move.
     * @return The HTML response.
     */
    protected HtmlResponse doMove(final SearchForm form, final int move) {
        int start = fessConfig.getPagingSearchPageStartAsInteger();
        if (form.pn != null) {
            int pageNumber = form.pn;

     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse move(final ListForm form) {
        saveToken();
        return doMove(form, 0);
    }

    /**
     * Handles pagination movement logic.
     *
     * @param form the list form containing current state
     * @param move the direction to move (-1 for previous, 0 for specific page, 1 for next)

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  /**
   * Returns a view of the elements of {@code unfiltered} that satisfy a predicate. The returned
   * multiset is a live view of {@code unfiltered}; changes to one affect the other.
   *
   * <p>The resulting multiset's iterators, and those of its {@code entrySet()} and {@code

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  /**
   * Returns a view of the elements of {@code unfiltered} that satisfy a predicate. The returned
   * multiset is a live view of {@code unfiltered}; changes to one affect the other.
   *
   * <p>The resulting multiset's iterators, and those of its {@code entrySet()} and {@code