private static final class PermutationIterator<E> extends AbstractIterator<List<E>> {
    final List<E> list;
    final int[] c;
    final int[] o;
    int j;

    PermutationIterator(List<E> list) {
      this.list = new ArrayList<>(list);
      int n = list.size();
      c = new int[n];
      o = new int[n];
      Arrays.fill(c, 0);
      Arrays.fill(o, 1);
      j = Integer.MAX_VALUE;
    }

    @Override

        return true;
    }

    @Override
    public void paging(int pageSize, int pageNumber) {
        if (pageSize <= 0) {
            throwPagingPageSizeNotPlusException(pageSize, pageNumber);
        }
        fetchFirst(pageSize);
        xfetchPage(pageNumber);
    }

    protected void throwPagingPageSizeNotPlusException(int pageSize, int pageNumber) {

        return true;
    }

    @Override
    public void paging(int pageSize, int pageNumber) {
        if (pageSize <= 0) {
            throwPagingPageSizeNotPlusException(pageSize, pageNumber);
        }
        fetchFirst(pageSize);
        xfetchPage(pageNumber);
    }

    protected void throwPagingPageSizeNotPlusException(int pageSize, int pageNumber) {

      @Override
      <E extends @Nullable Object> int resultIndex(
          Comparator<? super E> comparator,
          @ParametricNullness E key,
          List<? extends E> list,
          int foundIndex) {
        // Of course, we have to use binary search to find the precise
        // breakpoint...
        int lower = foundIndex;
        int upper = list.size() - 1;

    void writeParametersWireFormat_writesCorrectly(int fid, int securityInformation) {
        NtTransQuerySecurityDesc cmd = new NtTransQuerySecurityDesc(fid, securityInformation);
        byte[] dst = new byte[15]; // Increased buffer size to accommodate offset + 8 bytes
        int offset = 3; // start in the middle to ensure no tail is overwritten
        int bytesWritten = cmd.writeParametersWireFormat(dst, offset);

   * A sensible definition of {@link #setCount(Object, int, int)} in terms of {@link #count(Object)}
   * and {@link #setCount(Object, int)}. If you override either of these methods, you may wish to
   * override {@link #setCount(Object, int, int)} to forward to this implementation.
   *
   * @since 7.0
   */
  protected boolean standardSetCount(@ParametricNullness E element, int oldCount, int newCount) {

    /** Default page size. */
    public static final int DEFAULT_PAGE_SIZE = 20;

    /** Default current page number. */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /** The total number of records. */
    private int allRecordCount;

    /** The total number of pages. */
    private int allPageCount;

    /** Indicates if a previous page exists. */

     */
    public static final int DEFAULT_PAGE_SIZE = 20;

    /**
     * Default current page number for pagination.
     */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /**
     * Total number of records.
     */
    private int allRecordCount;

    /**
     * Total number of pages.
     */
    private int allPageCount;

    /**

            return 0;
        }

        @Override
        int readParametersWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 0;
        }

        @Override
        int readDataWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 0;
        }

        // Helper methods to access private fields using reflection

     * @return a new instance of {@link ConcurrentHashMap}
     * @see ConcurrentHashMap#ConcurrentHashMap(int, float, int)
     */
    public static <K, V> ConcurrentHashMap<K, V> newConcurrentHashMap(final int initialCapacity, final float loadFactor,
            final int concurrencyLevel) {
        return new ConcurrentHashMap<>(initialCapacity, loadFactor, concurrencyLevel);
    }

    /**