class_docstr: Clipboard implementation that doesn't remember anything.
code: def get_data(self) -> ClipboardData:
      return ClipboardData()
  
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 4 for calling the DummyClipboard obj's underlying member method code with example usage: obj.get_data() and returns: ClipboardData