using UnityEngine; namespace UnityEditor.U2D.Animation { internal class DisabledUndo : IUndo { public void RecordObject(object o, string name) {} public void RegisterCompleteObjectUndo(object o, string name) {} public void RegisterCompleteObjectUndo(object[] o, string name) {} public void RegisterCreatedObjectUndo(object o, string name) {} public void DestroyObjectImmediate(object o) { BaseObject.DestroyImmediate(o); } public void ClearUndo(object o) {} public void IncrementCurrentGroup() {} } }