class_docstr: Progress bar API that takes no actions.
class_docstr_tok: ["Progress","bar","API","that","takes","no","actions","."]
code: def __enter__(self):
      return self
  
imports: from __future__ import annotations
  from typing import Protocol
  from rich.console import Console
  from rich.progress import BarColumn, MofNCompleteColumn, Progress, TaskProgressColumn, TextColumn, TimeRemainingColumn
  from rich.table import Column
label_desc: Use image node_id 2 for calling the NullProgressBar obj's underlying member method code with example usage: obj.__enter__() and returns: self