@Override
  public int[] toArray() {
    final int[] array = new int[this.getCardinality()];
    int pos = 0, pos2 = 0;
    while (pos < this.highLowContainer.size()) {
      final int hs = BufferUtil.toIntUnsigned(this.highLowContainer.getKeyAtIndex(pos)) << 16;
      final MappeableContainer c = this.highLowContainer.getContainerAtIndex(pos++);
      c.fillLeastSignificant16bits(array, pos2, hs);
      pos2 += c.getCardinality();
    }
    return array;
  }
@ Override public int [ ] toArray ( ) { final int [ ] array = new int [ this . getCardinality ( ) ] ; int pos = 0 , pos2 = 0 ; while ( pos < this . highLowContainer . size ( ) ) { final int hs = BufferUtil . toIntUnsigned ( this . highLowContainer . getKeyAtIndex ( pos ) ) << 16 ; final MappeableContainer c = this . highLowContainer . getContainerAtIndex ( pos ++ ) ; c . fillLeastSignificant16bits ( array , pos2 , hs ) ; pos2 += c . getCardinality ( ) ; } return array ; }
Return the set values as an array if the cardinality is less
than 2147483648. The integer values are in sorted order.

@return array representing the set values.