code: def __init__(self, registry, address, authkey, serializer):
      assert isinstance(authkey, bytes)
      self.registry = registry
      self.authkey = AuthenticationString(authkey)
      Listener, Client = listener_client[serializer]
  
      # do authentication later
      self.listener = Listener(address=address, backlog=500)
      self.address = self.listener.address
  
      self.id_to_obj = {"0": (None, ())}
      self.id_to_refcount = {}
      self.id_to_local_proxy_obj = {}
      self.mutex = threading.Lock()
  
imports: import logging
  import multiprocessing
  import multiprocessing.util
  import queue
  import threading
  from multiprocessing.connection import SocketListener, _validate_family, address_type
  from multiprocessing.context import get_spawning_popen
  from multiprocessing.managers import Array, DictProxy, ListProxy, Namespace, RebuildProxy, State, Value, dispatch
  from multiprocessing.process import AuthenticationString
  import fiber.util
  import fiber.queues
  from fiber import process
  from fiber.backend import get_backend
label_desc: Use image node_id 1 to create a new Server object from inherited base classes: multiprocessing.managers with example: obj = Server(registry, address, authkey, serializer)