class_docstr: `Input` class that reads from the Windows console.
code: def flush(self) -> None:
      pass
  
imports: from __future__ import annotations
  import os
  import sys
  from abc import abstractmethod
  from asyncio import get_running_loop
  from contextlib import contextmanager
  from ..utils import SPHINX_AUTODOC_RUNNING
  from ctypes import Array, pointer
  from ctypes.wintypes import DWORD, HANDLE
  from typing import Callable, ContextManager, Iterable, Iterator, TextIO
  from prompt_toolkit.eventloop import run_in_executor_with_context
  from prompt_toolkit.eventloop.win32 import create_win32_event, wait_for_handles
  from prompt_toolkit.key_binding.key_processor import KeyPress
  from prompt_toolkit.keys import Keys
  from prompt_toolkit.mouse_events import MouseButton, MouseEventType
  from prompt_toolkit.win32_types import INPUT_RECORD, KEY_EVENT_RECORD, MOUSE_EVENT_RECORD, STD_INPUT_HANDLE, EventTypes
  from .ansi_escape_sequences import REVERSE_ANSI_SEQUENCES
  from .base import Input
label_desc: Use image node_id 5 for calling the Win32Input obj's underlying member method code with example usage: obj.flush() without return types