operations[i] = pendingUnmountedRootID;
        i++;
      }
    }
     Fill in the rest of the operations.
    for (let j = 0; j < pendingOperations.length; j++) {
      operations[i + j] = pendingOperations[j];
    }
    i += pendingOperations.length;
     Let the frontend know about tree operations.
     The first value in this array will identify which root it corresponds to,
     so we do no longer need to dispatch a separate root-committed event.
    if (pendingOperationsQueue !== null) {
       Unt
       Thi
       and 
      pendingOperationsQueue.push(operations);
    } else {
       If 
      hook.emit('operations', operations);
    }
    pendingOperations.length = 0;
    pendingRealUnmountedIDs.length = 0;
    pendingSimulatedUnmountedIDs.length = 0;
    pendingUnmountedRootID = null;
    pendingStringTable.clear();
    pendingStringTableLength = 0;
  }
  function getStringID(str: string | null): number {
    if (str === null) {