calculateTiledPositions(allocated, total, children, offsets, spans, true);
calculateAlignedPositions(allocated, total, children, offsets, spans, true);
  public static void calculateAlignedPositions(int allocated,                                               SizeRequirements total,                                               SizeRequirements[] children,                                               int[] offsets, int[] spans)  {    calculateTiledPositions(allocated, total, children, offsets, spans, true);  }