docstr: Set the server command to `value` and signal that it's been set.
docstr_tok: ["Set","the","server","command","to","`","value","`","and","signal","that","it","'s","been","set","."]
code: def server_command(self, value: Optional[str]) -> None:
      """
      Set the server command to `value` and signal that it's been set.
      """
      self._server_command = value
      self._server_command_signal.set()
  
imports: import datetime
  import logging
  import threading
  import time
  from modules import errors, shared, devices
  from typing import Optional
label_desc: Use image node_id 5 for calling the State obj's underlying member method code with example usage: obj.server_command(value) without return types