if (!Number.isInteger(op)) {
        console.error(
          'pushOperation() was called but the value is not an integer.',
          op,
        );
      }
    }
    pendingOperations.push(op);
  }
  function reevaluateErrorsAndWarnings() {
    fibersWithChangedErrorOrWarningCounts.clear();
    fiberToErrorsMap.forEach((countMap, fiberID) => {
      fibersWithChangedErrorOrWarningCounts.add(fiberID);
    });