com.unity.perception/com.unity.perception/Runtime/GroundTruth/IGroundTruthUpdater.cs

using System.Collections.Generic;

namespace UnityEngine.Perception.GroundTruth
{
    public interface IGroundTruthUpdater
    {
        void OnBeginUpdate(int count);
        void OnUpdateEntity(Labeling labeling, GroundTruthInfo groundTruthInfo);

        void OnEndUpdate();
    }
}