presto-parser/src/main/java/io/prestosql/sql/tree/ExpressionTreeRewriter.java/ExpressionTreeRewriter/ExpressionTreeRewriter
class ExpressionTreeRewriter:    public ExpressionTreeRewriter(ExpressionRewriter<C> rewriter)
    {
        this.rewriter = rewriter;
        this.visitor = new RewritingVisitor();
    }