code: def start_ray_client_server(
      address: str,
      ray_client_server_ip: str,
      ray_client_server_port: int,
      stdout_file: Optional[int] = None,
      stderr_file: Optional[int] = None,
      redis_password: Optional[int] = None,
      fate_share: Optional[bool] = None,
      runtime_env_agent_address: Optional[str] = None,
      server_type: str = "proxy",
      serialized_runtime_env_context: Optional[str] = None,
  ):
      """Run the server process of the Ray client.
  
      Args:
          address: The address of the cluster.
          ray_client_server_ip: Host IP the Ray client server listens on.
          ray_client_server_port: Port the Ray client server listens on.
          stdout_file: A file handle opened for writing to redirect stdout to. If
              no redirection should happen, then this should be None.
          stderr_file: A file handle opened for writing to redirect stderr to. If
              no redirection should happen, then this should be None.
          redis_password: The password of the redis server.
          runtime_env_agent_address: Address to the Runtime Env Agent listens on via HTTP.
              Only needed when server_type == "proxy".
          server_type: Whether to start the proxy version of Ray Client.
          serialized_runtime_env_context (str|None): If specified, the serialized
              runtime_env_context to start the client server in.
  
      Returns:
          ProcessInfo for the process that was started.
      """
      root_ray_dir = Path(__file__).resolve().parents[1]
      setup_worker_path = os.path.join(
          root_ray_dir,
          "_private",
          "workers",
          ray_constants.SETUP_WORKER_FILENAME,
      )
  
      ray_client_server_host = (
          "127.0.0.1"
          if ray_client_server_ip == "127.0.0.1"
          else "0.0.0.0"
      )
      command = [
          sys.executable,
          setup_worker_path,
          "-m",
          "ray.util.client.server",
          f"--address={address}",
          f"--host={ray_client_server_host}",
          f"--port={ray_client_server_port}",
          f"--mode={server_type}",
          f"--language={Language.Name(Language.PYTHON)}",
      ]
      if redis_password:
          command.append(f"--redis-password={redis_password}")
      if serialized_runtime_env_context:
          command.append(
              f"--serialized-runtime-env-context={serialized_runtime_env_context}"  # noqa: E501
          )
      if server_type == "proxy":
          assert len(runtime_env_agent_address) > 0
      if runtime_env_agent_address:
          command.append(
              f"--runtime-env-agent-address={runtime_env_agent_address}"
          )
  
      process_info = start_ray_process(
          command,
          ray_constants.PROCESS_TYPE_RAY_CLIENT_SERVER,
          stdout_file=stdout_file,
          stderr_file=stderr_file,
          fate_share=fate_share,
      )
      return process_info
  
imports: import base64
  import collections
  import errno
  import io
  import json
  import logging
  import mmap
  import multiprocessing
  import os
  import random
  import shutil
  import signal
  import socket
  import subprocess
  import sys
  import time
  from pathlib import Path
  from typing import List, Optional, IO, AnyStr
  import psutil
  from filelock import FileLock
  import ray
  import ray._private.ray_constants
  from ray._raylet import GcsClient, GcsClientOptions
  from ray.core.generated.common_pb2 import Language
  from ray._private.ray_constants import RAY_NODE_IP_FILENAME
label_desc: Use image node_id 40 for calling a global function with example usage: start_ray_client_server(address, ray_client_server_ip, ray_client_server_port, stdout_file, stderr_file, redis_password, fate_share, runtime_env_agent_address, server_type, serialized_runtime_env_context) and returns: process_info