See #17798
if (!isProfiling) {
        return;
      }
    }
    const numUnmountIDs =
      pendingRealUnmountedIDs.length +
      pendingSimulatedUnmountedIDs.length +
      (pendingUnmountedRootID === null ? 0 : 1);
    const operations = new Array(
       I
      2 +  [
       H
      1 +  [
         T
        pendingStringTableLength +
         A
         [
        (numUnmountIDs > 0 ? 2 + numUnmountIDs : 0) +
         R
        pendingOperations.length,
    );
     I
     T
     W
    let i = 0;
    operations[i++] = rendererID;
    operations[i++] = currentRootID;  U
     N
     [
    operations[i++] = pendingStringTableLength;