presto-spi/src/main/java/io/prestosql/spi/predicate/SortedRangeSet.java/SortedRangeSet/getSpan
class SortedRangeSet:    @Override
    public Ranges getRanges()
    {
        return new Ranges()
        {
            @Override
            public int getRangeCount()
            {
                return SortedRangeSet.this.getRangeCount();
            }

            @Override
            public List<Range> getOrderedRanges()
            {
                return SortedRangeSet.this.getOrderedRanges();
            }

            @Override
            public Range getSpan()
            {
                return SortedRangeSet.this.getSpan();
            }
        };
    }