How to use the react-reconciler/reflection.getSuspenseInstanceFromFiber function in react-reconciler

nativeEvent: AnyNativeEvent,
): null | Container | SuspenseInstance {
  // TODO: Warn if _enabled is false.

  const nativeEventTarget = getEventTarget(nativeEvent);
  let targetInst = getClosestInstanceFromNode(nativeEventTarget);

  if (targetInst !== null) {
    let nearestMounted = getNearestMountedFiber(targetInst);
    if (nearestMounted === null) {
      // This tree has been unmounted already. Dispatch without a target.
      targetInst = null;
    } else {
      const tag = nearestMounted.tag;
      if (tag === SuspenseComponent) {
        let instance = getSuspenseInstanceFromFiber(nearestMounted);
        if (instance !== null) {
          // Queue the event to be replayed later. Abort dispatching since we
          // don't want this event dispatched twice through the event system.
          // TODO: If this is the first discrete event in the queue. Schedule an increased
          // priority for this boundary.
          return instance;
        }
        // This shouldn't happen, something went wrong but to avoid blocking
        // the whole system, dispatch the event without a target.
        // TODO: Warn.
        targetInst = null;
      } else if (tag === HostRoot) {
        const root: FiberRoot = nearestMounted.stateNode;
        if (root.hydrate) {
          // If this happens during a replay something went wrong and it might block
          // the whole system.

function attemptExplicitHydrationTarget(
  queuedTarget: QueuedHydrationTarget,
): void {
  // TODO: This function shares a lot of logic with attemptToDispatchEvent.
  // Try to unify them. It's a bit tricky since it would require two return
  // values.
  let targetInst = getClosestInstanceFromNode(queuedTarget.target);
  if (targetInst !== null) {
    let nearestMounted = getNearestMountedFiber(targetInst);
    if (nearestMounted !== null) {
      const tag = nearestMounted.tag;
      if (tag === SuspenseComponent) {
        let instance = getSuspenseInstanceFromFiber(nearestMounted);
        if (instance !== null) {
          // We're blocked on hydrating this boundary.
          // Increase its priority.
          queuedTarget.blockedOn = instance;
          runWithPriority(queuedTarget.priority, () => {
            attemptHydrationAtCurrentPriority(nearestMounted);
          });
          return;
        }
      } else if (tag === HostRoot) {
        const root: FiberRoot = nearestMounted.stateNode;
        if (root.hydrate) {
          queuedTarget.blockedOn = getContainerFromFiber(nearestMounted);
          // We don't currently have a way to increase the priority of
          // a root other than sync.
          return;