*_retval = nsnull;
static const char* allowed[] = { "lookupMethod", "evalInSandbox", nsnull }; *_retval = xpc_CheckAccessList(methodName, allowed);
nsXPCComponents_InterfacesByID::CanCallMethod(const nsIID * iid, const PRUnichar *methodName, char **_retval){    // If you have to ask, then the answer is NO    *_retval = nsnull;    return NS_OK;}