}
   Automatically start profiling so that we don't miss timing info from initial "mount".
  if (
    sessionStorageGetItem(SESSION_STORAGE_RELOAD_AND_PROFILE_KEY) === 'true'
  ) {
    startProfiling(
      sessionStorageGetItem(SESSION_STORAGE_RECORD_CHANGE_DESCRIPTIONS_KEY) ===
        'true',
    );
  }
   React will switch between these implementations depending on whether
   we have any manually suspended Fibers or not.
  function shouldSuspendFiberAlwaysFalse() {
    return false;
  }
  const forceFallbackForSuspenseIDs = new Set();
  function shouldSuspendFiberAccordingToSet(fiber) {
    const id = getFiberID(getPrimaryFiber(((fiber: any): Fiber)));
    return forceFallbackForSuspenseIDs.has(id);
  }
  function overrideSuspense(id, forceFallback) {
    if (
      typeof setSuspenseHandler !== 'function' ||
      typeof scheduleUpdate !== 'function'
    ) {
      throw new Error(
        'Expected overrideSuspense() to not get called for earlier React versions.',
      );
    }
    if (forceFallback) {