new_contents: 
  # -*- coding: utf-8 -*-
  
  # Copyright (c) 2016 Ericsson AB
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  class ActorState(object):
      """
      Class to let actors manipulate actor state variables before
      a replication. Exposes managed attributes and 'replication_count'
      as attributes of the object.
      """
  
          
      def __init__(self, state, replication_data):
          super(ActorState, self).__init__()
          self.state = state
          self.replication_data = replication_data
  
      def __getattr__(self, name):
          if name[0] != "_" and name in self.state['_managed']:
              return self.state[name]
          elif name == "replication_count":
              return self.replication_data.counter
          else:
              raise AttributeError("ActorState does not have access to %s" % name)
  
      def __setattr__(self, name, value):
          if name == "state" or name == "replication_data":
              self.__dict__[name] = value
          elif name[0] != "_" and name in self.state['_managed']:
              self.state[name] = value
          else:
              self.__dict__[name] = value
  
subject: Add missed file for actor state manipulation during replication.