def write(self, proto):
<EOL>super(BacktrackingTMCPP, self).write(proto.baseTM)<EOL>self.cells4.write(proto.cells4)<EOL>proto.makeCells4Ephemeral = self.makeCells4Ephemeral<EOL>proto.seed = self.seed<EOL>proto.checkSynapseConsistency = self.checkSynapseConsistency<EOL>proto.initArgs = json.dumps(self._initArgsDict)<EOL>
Populate serialization proto instance.

        :param proto: (BacktrackingTMCppProto) the proto instance to populate