code: def __init__(self, model_config):
      super().__init__()
      self.asyncio_loop = asyncio.get_event_loop()
  
      self.stubs = [
          ParallelStubInvoker(
              replica.hostname, replica.tensor_parallel_ports
          )
          for replica in model_config.replica_configs
      ]
      self.counter = AtomicCounter()
      self.task = model_config.task
      self.replica_sessions = {}
  
      # Start the asyncio loop in a separate thread
      def run_asyncio_loop(loop):
          asyncio.set_event_loop(loop)
          loop.run_forever()
  
      threading.Thread(
          target=run_asyncio_loop, args=(self.asyncio_loop,)
      ).start()
  
imports: import asyncio
  from concurrent import futures
  import logging
  import grpc
  from google.protobuf import empty_pb2
  from .proto import legacymodelresponse_pb2_grpc
  import sys
  import threading
  import time
  from mii.legacy.constants import GRPC_MAX_MSG_SIZE, CREATE_SESSION_METHOD, DESTROY_SESSION_METHOD, TERMINATE_METHOD, LB_MAX_WORKER_THREADS, SERVER_SHUTDOWN_TIMEOUT, TaskType
  from mii.legacy.method_table import GRPC_METHOD_TABLE
  from mii.legacy.client import create_channel
  from mii.legacy.utils import unpack_proto_query_kwargs
label_desc: Use image node_id 1 to create a new LoadBalancingInterceptor object from inherited base classes: grpc with example: obj = LoadBalancingInterceptor(model_config)