code: def session_started(self) -> None:
      self.interact_task = get_running_loop().create_task(
          self._interact()
      )
  
imports: from __future__ import annotations
  import asyncio
  import traceback
  from asyncio import get_running_loop
  from typing import Any, Callable, Coroutine, TextIO, cast
  import asyncssh
  from prompt_toolkit.application.current import AppSession, create_app_session
  from prompt_toolkit.data_structures import Size
  from prompt_toolkit.input import PipeInput, create_pipe_input
  from prompt_toolkit.output.vt100 import Vt100_Output
label_desc: Use image node_id 5 for calling the PromptToolkitSSHSession obj's underlying member method code with example usage: obj.session_started() without return types