Is there anything I can put in X, to make the follow work:
Object o = (void) X;
Is there anything I can put in X, to make the follow work: Object
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void is notionally a primitive. (though most would disagree it is even that I suspect) You cannot cast an object to it.
The closest you can come to this is an InvocationHandler can
return nullfor a void method and a void method invoke()ed via reflection will returnnull.