@Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            Range<?> range = (Range<?>) o;
            return start.equals(range.start) && end.equals(range.end);
        }
Type of numbers stored used to describe the ranges stored in a {@link MultiRangeItem}.
container-search/src/main/java/com/yahoo/prelude/query/MultiRangeItem.java