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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_entry(self, rval: RawObject) -> "ArrayEntry": """Return an isolated entry of the receiver. Args: rval: Raw object to be used for the returned entry. """

        val = self.entry_from_raw(rval)
        return ArrayEntry(0, EmptyList(), EmptyList(), val, None, self,
                          val.timestamp)