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