Symbol for modifying property lookup?

[Claude Pache]

> Le 12 juil. 2016 à 02:45, /#!/JoePea <joe at trusktr.io> a écrit :
> 
> Does one exist? I'm imagining an implementation for
> 
> ```
> class Node extends new MultiClass(ImperativeBase, Transformable) {
> }
> ```
> 

I think that  Proxy is the tool for that purpose. 

How a symbol would work here, since you need a property lookup in order to find that symbol?

—Claude
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