Unity Project

reference
https://cardgames.io/yahtzee/

Library/PackageCache/com.unity.timeline@1.2.15/Runtime/Evaluation/RuntimeClipBase.cs

@@ -0,0 +1,21 @@
+using System;
+using UnityEngine;
+
+namespace UnityEngine.Timeline
+{
+    internal abstract class RuntimeClipBase : RuntimeElement
+    {
+        public abstract double start { get; }
+        public abstract double duration { get; }
+
+        public override Int64 intervalStart
+        {
+            get { return DiscreteTime.GetNearestTick(start); }
+        }
+
+        public override Int64 intervalEnd
+        {
+            get { return DiscreteTime.GetNearestTick(start + duration); }
+        }
+    }
+}