class IrregularTimeSeriesIndex extends AbstractTimeSeriesIndex {

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof IrregularTimeSeriesIndex) {
            IrregularTimeSeriesIndex otherIndex = (IrregularTimeSeriesIndex) obj;
            return Arrays.equals(times, otherIndex.times);
        }
        return false;
    }

    public  IrregularTimeSeriesIndex(long[] times);

}