How to use the scheduler/tracing.unstable_getThreadID function in scheduler

latestPingedTime: NoWork,

      didError: false,

      pendingCommitExpirationTime: NoWork,
      finishedWork: null,
      timeoutHandle: noTimeout,
      context: null,
      pendingContext: null,
      hydrate,
      nextExpirationTimeToWorkOn: NoWork,
      expirationTime: NoWork,
      firstBatch: null,
      nextScheduledRoot: null,

      interactionThreadID: unstable_getThreadID(),
      memoizedInteractions: new Set(),
      pendingInteractionMap: new Map(),
    }: FiberRoot);
  } else {
    root = ({
      current: uninitializedFiber,
      containerInfo: containerInfo,
      pendingChildren: null,

      earliestPendingTime: NoWork,
      latestPendingTime: NoWork,
      earliestSuspendedTime: NoWork,
      latestSuspendedTime: NoWork,
      latestPingedTime: NoWork,

      didError: false,

this.finishedWork = null;
  this.timeoutHandle = noTimeout;
  this.context = null;
  this.pendingContext = null;
  this.hydrate = hydrate;
  this.callbackNode = null;
  this.callbackPriority = NoPriority;
  this.firstPendingTime = NoWork;
  this.firstSuspendedTime = NoWork;
  this.lastSuspendedTime = NoWork;
  this.nextKnownPendingLevel = NoWork;
  this.lastPingedTime = NoWork;
  this.lastExpiredTime = NoWork;

  if (enableSchedulerTracing) {
    this.interactionThreadID = unstable_getThreadID();
    this.memoizedInteractions = new Set();
    this.pendingInteractionMap = new Map();
  }
  if (enableSuspenseCallback) {
    this.hydrationCallbacks = null;
  }
}

latestPingedTime: NoWork,

            didError: false,

            pendingCommitExpirationTime: NoWork,
            finishedWork: null,
            timeoutHandle: noTimeout,
            context: null,
            pendingContext: null,
            hydrate,
            nextExpirationTimeToWorkOn: NoWork,
            expirationTime: NoWork,
            firstBatch: null,
            nextScheduledRoot: null,

            interactionThreadID: unstable_getThreadID(),
            memoizedInteractions: new Set(),
            pendingInteractionMap: new Map(),
        }: FiberRoot);
    } else {
        root = ({
            current: uninitializedFiber,
            containerInfo: containerInfo,
            pendingChildren: null,

            earliestPendingTime: NoWork,
            latestPendingTime: NoWork,
            earliestSuspendedTime: NoWork,
            latestSuspendedTime: NoWork,
            latestPingedTime: NoWork,

            didError: false,