UniTask vs Entities

using UnityEngine;
using UnityEngine.Networking;
using Cysharp.Threading.Tasks;



public class TestUniTask : MonoBehaviour
{

    async void Start()
    {
        Debug.Log("UniTaskTest start");

        // var playerLoop = Unity.Entities.ScriptBehaviourUpdateOrder.CurrentPlayerLoop();
        // PlayerLoopHelper.Initialize(ref playerLoop);

        // var playerLoop = UnityEngine.LowLevel.PlayerLoop.GetCurrentPlayerLoop();
        // PlayerLoopHelper.Initialize(ref playerLoop);

        Debug.Log("UniTaskTest reinitialization complete");


        UniTask<int> t1 = Chunks(1);
        UniTask<int> t2 = Chunks(2);
        UniTask<int> t3 = Chunks(3);
        var (o1, o2, o3) = await UniTask.WhenAll(t1, t2, t3);

        Debug.Log("UniTaskTest stop");
    }

    async UniTask<int> Chunks(int i)
    {
        await UniTask.DelayFrame(100);
        await Blocks();
        Debug.Log($"Chunks loaded {i}");
        return i;
    }

    async UniTask<string> Blocks()
    {
        await UniTask.DelayFrame(100);
        Debug.Log($"Blocks loaded");
        return "abc";
    }

}