presto-spi/src/main/java/io/prestosql/spi/predicate/Range.java/Range/equals
class Range:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        final Range other = (Range) obj;
        return Objects.equals(this.low, other.low) &&
                Objects.equals(this.high, other.high);
    }