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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def orphan_instance(self, rval: RawValue) -> "ObjectMember": """Return an isolated instance of the receiver. Args: rval: Raw value to be used for the returned instance. """

        val = self.from_raw(rval)
        return ObjectMember(self.iname(), {}, val, None, self, datetime.now())