class_docstr: Monitor and autorestart a kernel.
code: def _loop_default(self) -> Any:
      warnings.warn(
          "IOLoopKernelRestarter.loop is deprecated in jupyter-client 5.2",
          DeprecationWarning,
          stacklevel=4,
      )
      from tornado import ioloop
  
      return ioloop.IOLoop.current()
  
file_path: jupyter_client/jupyter_client/ioloop/restarter.py
imports: import time
  import warnings
  from typing import Any
  from traitlets import Instance
  from ..restarter import KernelRestarter
label_desc: Use image node_id 1 for calling the IOLoopKernelRestarter obj's underlying member method code with example usage: obj._loop_default() and returns: ioloop