class_docstr: Clipboard implementation that doesn't remember anything.
code: def set_text(self, text: str) -> None:
      pass
  
imports: from __future__ import annotations
  from abc import ABCMeta, abstractmethod
  from typing import Callable
  from prompt_toolkit.selection import SelectionType
label_desc: Use image node_id 2 for calling the DummyClipboard obj's underlying member method code with example usage: obj.set_text(text) without return types