presto-parser/src/main/java/io/prestosql/sql/tree/QuantifiedComparisonExpression.java/QuantifiedComparisonExpression/equals
class QuantifiedComparisonExpression:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        QuantifiedComparisonExpression that = (QuantifiedComparisonExpression) o;
        return operator == that.operator &&
                quantifier == that.quantifier &&
                Objects.equals(value, that.value) &&
                Objects.equals(subquery, that.subquery);
    }