presto-main/src/main/java/io/prestosql/sql/ExpressionUtils.java/ExpressionUtils/filterConjuncts
class ExpressionUtils:    public static Expression filterConjuncts(Metadata metadata, Expression expression, Predicate<Expression> predicate)
    {
        List<Expression> conjuncts = extractConjuncts(expression).stream()
                .filter(predicate)
                .collect(toList());

        return combineConjuncts(metadata, conjuncts);
    }