private static boolean coversPartially(LongRangeSet testedRange, LongRangeSet coveredRange) {
        LongRangeSet intersection = testedRange.meet(coveredRange);
        return !intersection.isEmpty() && !coveredRange.subtract(intersection).isEmpty();
      }
private static boolean coversPartially(LongRangeSet testedRange, LongRangeSet coveredRange)