fiberToWarningsMap.forEach((countMap, fiberID) => {
      fibersWithChangedErrorOrWarningCounts.add(fiberID);
    });
    recordPendingErrorsAndWarnings();
  }
  function recordPendingErrorsAndWarnings() {
    fibersWithChangedErrorOrWarningCounts.forEach(fiberID => {
      const fiber = idToFiberMap.get(fiberID);
      if (fiber != null) {
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        if (isFiberMountedImpl(fiber) !== MOUNTED) {
          fiberToIDMap.delete(fiber);
          idToFiberMap.delete(fiberID);
          primaryFibers.delete(fiber);
          return;
        }
        let errorCount = 0;
        let warningCount = 0;
        if (!shouldFilterFiber(fiber)) {
          const errorCountsMap = fiberToErrorsMap.get(fiberID);
          const warningCountsMap = fiberToWarningsMap.get(fiberID);
          if (errorCountsMap != null) {
            errorCountsMap.forEach(count => {
              errorCount += count;
            });
          }
          if (warningCountsMap != null) {
            warningCountsMap.forEach(count => {