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### Generated information

DevTools version: 4.13.1-93782cfed2

Call stack:
(none)

Component stack:
(none)

GitHub URL search query:
https://api.github.com/search/issues?q=Cannot%20add%20node%20%20because%20a%20node%20with%20that%20id%20is%20already%20in%20the%20Store.%20in%3Atitle%20is%3Aissue%20is%3Aopen%20is%3Apublic%20label%3A%22Component%3A%20Developer%20Tools%22%20repo%3Afacebook%2Freact
if (fiber == null) {
      return null;
    }
    const {
      _debugOwner,
      _debugSource,
      stateNode,
      key,
      memoizedProps,
      memoizedState,
      dependencies,
      tag,
      type,
    } = fiber;
    const elementType = getElementTypeForFiber(fiber);
    const usesHooks =
      (tag === FunctionComponent ||
        tag === SimpleMemoComponent ||
        tag === ForwardRef) &&
      (!!memoizedState || !!dependencies);
     TODO Show custom UI for Cache like we do for Suspense
     For now, just hide state data entirely since it's not meant to be inspected.
    const showState = !usesHooks && tag !== CacheComponent;
    const typeSymbol = getTypeSymbol(type);
    let canViewSource = false;
    let context = null;
    if (
      tag === ClassComponent ||
      tag === FunctionComponent ||
      tag === IncompleteClassComponent ||