text: public int[] init() {final int[] ord = super.init();start = new int[ArrayUtil.oversize(ord.length, Integer.BYTES)];end = new int[ArrayUtil.oversize(ord.length, Integer.BYTES)];freq = new int[ArrayUtil.oversize(ord.length, Integer.BYTES)];assert start.length >= ord.length;assert end.length >= ord.length;assert freq.length >= ord.length;return ord;}