class ProxyObjectVar;
class ResourceVar;
class StringVar;
+class V8ObjectVar;
class VarTracker;
// Var -------------------------------------------------------------------------
virtual StringVar* AsStringVar();
virtual ArrayBufferVar* AsArrayBufferVar();
virtual NPObjectVar* AsNPObjectVar();
+ virtual V8ObjectVar* AsV8ObjectVar();
virtual ProxyObjectVar* AsProxyObjectVar();
virtual ArrayVar* AsArrayVar();
virtual DictionaryVar* AsDictionaryVar();