code: def close(self):
      self._pbar.close()
      self._closed = True
  
imports: from abc import ABC, abstractmethod
  from typing import Optional, Type, Union
  import tqdm.notebook
  import tqdm.std
  from pycaret.internal.display.display_backend import DatabricksBackend, DisplayBackend, JupyterBackend
  from pycaret.internal.display.display_component import DisplayComponent
label_desc: Use image node_id 4 for calling the ProgressBarBackend obj's underlying member method code with example usage: obj.close() without return types