code: def store(self, key: str, app_: SphinxTestApp) -> Any:
      if key in self.cache:
          return
      data = {
          "status": app_._status.getvalue(),
          "warning": app_._warning.getvalue(),
      }
      self.cache[key] = data
  
imports: from __future__ import annotations
  import shutil
  import subprocess
  import sys
  from collections import namedtuple
  from io import StringIO
  from typing import TYPE_CHECKING, Any, Callable
  import pytest
  from sphinx.testing.util import SphinxTestApp, SphinxTestAppWrapperForSkipBuilding
label_desc: Use image node_id 1 for calling the SharedResult obj's underlying member method code with example usage: obj.store(key, app_) without return types