presto-parser/src/main/java/io/prestosql/sql/parser/AstBuilder.java/AstBuilder/visitLike
class AstBuilder:    @Override
    public Node visitLike(SqlBaseParser.LikeContext context)
    {
        Expression result = new LikePredicate(
                getLocation(context),
                (Expression) visit(context.value),
                (Expression) visit(context.pattern),
                visitIfPresent(context.escape, Expression.class));

        if (context.NOT() != null) {
            result = new NotExpression(getLocation(context), result);
        }

        return result;
    }