Removed a bunch of stuff; Changes

22 files changed, 0 insertions, 1299 deletions

diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimationPreviewUtilities.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimationPreviewUtilities.cs
deleted file mode 100644
index b8ab669..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimationPreviewUtilities.cs
+++ /dev/null
@@ -1,266 +0,0 @@
-#if UNITY_EDITOR
-using System.Collections.Generic;
-using UnityEditor;
-
-
-namespace UnityEngine.Timeline
-{
-    static class AnimationPreviewUtilities
-    {
-        private const string k_PosX = "m_LocalPosition.x";
-        private const string k_PosY = "m_LocalPosition.y";
-        private const string k_PosZ = "m_LocalPosition.z";
-        private const string k_RotX = "m_LocalRotation.x";
-        private const string k_RotY = "m_LocalRotation.y";
-        private const string k_RotZ = "m_LocalRotation.z";
-        private const string k_RotW = "m_LocalRotation.w";
-        private const string k_ScaleX = "m_LocalScale.x";
-        private const string k_ScaleY = "m_LocalScale.y";
-        private const string k_ScaleZ = "m_LocalScale.z";
-        private const string k_EulerAnglesRaw = "localEulerAnglesRaw";
-        private const string k_EulerHint = "m_LocalEulerAnglesHint";
-        private const string k_Pos = "m_LocalPosition";
-        private const string k_Rot = "m_LocalRotation";
-        private const string k_MotionT = "MotionT";
-        private const string k_MotionQ = "MotionQ";
-        private const string k_RootT = "RootT";
-        private const string k_RootQ = "RootQ";
-
-
-        internal class EditorCurveBindingComparer : IEqualityComparer<EditorCurveBinding>
-        {
-            public bool Equals(EditorCurveBinding x, EditorCurveBinding y) { return x.path.Equals(y.path) && x.type == y.type && x.propertyName == y.propertyName; }
-            public int GetHashCode(EditorCurveBinding obj)
-            {
-                return obj.propertyName.GetHashCode() ^ obj.path.GetHashCode();
-            }
-
-            public static readonly EditorCurveBindingComparer Instance = new EditorCurveBindingComparer();
-        }
-
-        // a dictionary is faster than a hashset, because the capacity can be pre-set
-        private static readonly Dictionary<EditorCurveBinding, int> s_CurveSet = new Dictionary<EditorCurveBinding, int>(10000, EditorCurveBindingComparer.Instance);
-        private static readonly AnimatorBindingCache s_BindingCache = new AnimatorBindingCache();
-
-        public static void ClearCaches()
-        {
-            s_BindingCache.Clear();
-            s_CurveSet.Clear();
-        }
-
-        public static EditorCurveBinding[] GetBindings(GameObject animatorRoot, IEnumerable<AnimationClip> clips)
-        {
-            s_CurveSet.Clear();
-            foreach (var clip in clips)
-            {
-                AddBindings(s_BindingCache.GetCurveBindings(clip));
-            }
-
-            // if we have a transform binding, bind the entire skeleton
-            if (NeedsSkeletonBindings(s_CurveSet.Keys))
-                AddBindings(s_BindingCache.GetAnimatorBindings(animatorRoot));
-
-            var bindings = new EditorCurveBinding[s_CurveSet.Keys.Count];
-            s_CurveSet.Keys.CopyTo(bindings, 0);
-            return bindings;
-        }
-
-        public static void PreviewFromCurves(GameObject animatorRoot, IEnumerable<EditorCurveBinding> keys)
-        {
-            if (!AnimationMode.InAnimationMode())
-                return;
-
-            var avatarRoot = GetAvatarRoot(animatorRoot);
-            foreach (var binding in keys)
-            {
-                if (IsAvatarBinding(binding) || IsEuler(binding))
-                    continue;
-
-                bool isTransform = typeof(Transform).IsAssignableFrom(binding.type);
-                if (isTransform && binding.propertyName == AnimatorBindingCache.TRPlaceHolder)
-                    AddTRBinding(animatorRoot, binding);
-                else if (isTransform && binding.propertyName == AnimatorBindingCache.ScalePlaceholder)
-                    AddScaleBinding(animatorRoot, binding);
-                else
-                    AnimationMode.AddEditorCurveBinding(avatarRoot, binding);
-            }
-        }
-
-        public static AnimationClip CreateDefaultClip(GameObject animatorRoot, IEnumerable<EditorCurveBinding> keys)
-        {
-            AnimationClip animClip = new AnimationClip() { name = "DefaultPose" };
-            var keyFrames = new[] {new Keyframe(0, 0)};
-            var curve = new AnimationCurve(keyFrames);
-            bool rootMotion = false;
-            var avatarRoot = GetAvatarRoot(animatorRoot);
-
-            foreach (var binding in keys)
-            {
-                if (IsRootMotion(binding))
-                {
-                    rootMotion = true;
-                    continue;
-                }
-
-                if (typeof(Transform).IsAssignableFrom(binding.type) && binding.propertyName == AnimatorBindingCache.TRPlaceHolder)
-                {
-                    if (string.IsNullOrEmpty(binding.path))
-                        rootMotion = true;
-                    else
-                    {
-                        var transform = animatorRoot.transform.Find(binding.path);
-                        if (transform != null)
-                        {
-                            var pos = transform.localPosition;
-                            var rot = transform.localRotation;
-                            animClip.SetCurve(binding.path, typeof(Transform), k_PosX, SetZeroKey(curve, keyFrames, pos.x));
-                            animClip.SetCurve(binding.path, typeof(Transform), k_PosY, SetZeroKey(curve, keyFrames, pos.y));
-                            animClip.SetCurve(binding.path, typeof(Transform), k_PosZ, SetZeroKey(curve, keyFrames, pos.z));
-                            animClip.SetCurve(binding.path, typeof(Transform), k_RotX, SetZeroKey(curve, keyFrames, rot.x));
-                            animClip.SetCurve(binding.path, typeof(Transform), k_RotY, SetZeroKey(curve, keyFrames, rot.y));
-                            animClip.SetCurve(binding.path, typeof(Transform), k_RotZ, SetZeroKey(curve, keyFrames, rot.z));
-                            animClip.SetCurve(binding.path, typeof(Transform), k_RotW, SetZeroKey(curve, keyFrames, rot.w));
-                        }
-                    }
-
-                    continue;
-                }
-
-                if (typeof(Transform).IsAssignableFrom(binding.type) && binding.propertyName == AnimatorBindingCache.ScalePlaceholder)
-                {
-                    var transform = animatorRoot.transform.Find(binding.path);
-                    if (transform != null)
-                    {
-                        var scale = transform.localScale;
-                        animClip.SetCurve(binding.path, typeof(Transform), k_ScaleX, SetZeroKey(curve, keyFrames, scale.x));
-                        animClip.SetCurve(binding.path, typeof(Transform), k_ScaleY, SetZeroKey(curve, keyFrames, scale.y));
-                        animClip.SetCurve(binding.path, typeof(Transform), k_ScaleZ, SetZeroKey(curve, keyFrames, scale.z));
-                    }
-
-                    continue;
-                }
-
-                // Not setting curves through AnimationUtility.SetEditorCurve to avoid reentrant
-                // onCurveWasModified calls in timeline.  This means we don't get sprite curves
-                // in the default clip right now.
-                if (IsAvatarBinding(binding) || IsEulerHint(binding) || binding.isPPtrCurve)
-                    continue;
-
-                float floatValue;
-                AnimationUtility.GetFloatValue(avatarRoot, binding, out floatValue);
-                animClip.SetCurve(binding.path, binding.type, binding.propertyName, SetZeroKey(curve, keyFrames, floatValue));
-            }
-
-            // add root motion explicitly.
-            if (rootMotion)
-            {
-                var pos = Vector3.zero;           // the appropriate root motion offsets are applied by timeline
-                var rot = Quaternion.identity;
-                animClip.SetCurve(string.Empty, typeof(Transform), k_PosX, SetZeroKey(curve, keyFrames, pos.x));
-                animClip.SetCurve(string.Empty, typeof(Transform), k_PosY, SetZeroKey(curve, keyFrames, pos.y));
-                animClip.SetCurve(string.Empty, typeof(Transform), k_PosZ, SetZeroKey(curve, keyFrames, pos.z));
-                animClip.SetCurve(string.Empty, typeof(Transform), k_RotX, SetZeroKey(curve, keyFrames, rot.x));
-                animClip.SetCurve(string.Empty, typeof(Transform), k_RotY, SetZeroKey(curve, keyFrames, rot.y));
-                animClip.SetCurve(string.Empty, typeof(Transform), k_RotZ, SetZeroKey(curve, keyFrames, rot.z));
-                animClip.SetCurve(string.Empty, typeof(Transform), k_RotW, SetZeroKey(curve, keyFrames, rot.w));
-            }
-
-            return animClip;
-        }
-
-        public static bool IsRootMotion(EditorCurveBinding binding)
-        {
-            // Root Transform TR.
-            if (typeof(Transform).IsAssignableFrom(binding.type) && string.IsNullOrEmpty(binding.path))
-            {
-                return binding.propertyName.StartsWith(k_Pos) || binding.propertyName.StartsWith(k_Rot);
-            }
-
-            // MotionCurves/RootCurves.
-            if (binding.type == typeof(Animator))
-            {
-                return binding.propertyName.StartsWith(k_MotionT) || binding.propertyName.StartsWith(k_MotionQ) ||
-                    binding.propertyName.StartsWith(k_RootT) ||  binding.propertyName.StartsWith(k_RootQ);
-            }
-
-            return false;
-        }
-
-        private static bool NeedsSkeletonBindings(IEnumerable<EditorCurveBinding> bindings)
-        {
-            foreach (var b in bindings)
-            {
-                if (IsSkeletalBinding(b))
-                    return true;
-            }
-
-            return false;
-        }
-
-        private static void AddBindings(IEnumerable<EditorCurveBinding> bindings)
-        {
-            foreach (var b in bindings)
-            {
-                if (!s_CurveSet.ContainsKey(b))
-                    s_CurveSet[b] = 1;
-            }
-        }
-
-        private static void AddTRBinding(GameObject root, EditorCurveBinding binding)
-        {
-            // This is faster than AnimationMode.AddTransformTR
-            binding.propertyName = k_PosX; AnimationMode.AddEditorCurveBinding(root, binding);
-            binding.propertyName = k_PosY; AnimationMode.AddEditorCurveBinding(root, binding);
-            binding.propertyName = k_PosZ; AnimationMode.AddEditorCurveBinding(root, binding);
-            binding.propertyName = k_RotX; AnimationMode.AddEditorCurveBinding(root, binding);
-            binding.propertyName = k_RotY; AnimationMode.AddEditorCurveBinding(root, binding);
-            binding.propertyName = k_RotZ; AnimationMode.AddEditorCurveBinding(root, binding);
-            binding.propertyName = k_RotW; AnimationMode.AddEditorCurveBinding(root, binding);
-        }
-
-        private static void AddScaleBinding(GameObject root, EditorCurveBinding binding)
-        {
-            // AnimationMode.AddTransformTRS is slow
-            binding.propertyName = k_ScaleX; AnimationMode.AddEditorCurveBinding(root, binding);
-            binding.propertyName = k_ScaleY; AnimationMode.AddEditorCurveBinding(root, binding);
-            binding.propertyName = k_ScaleZ; AnimationMode.AddEditorCurveBinding(root, binding);
-        }
-
-        private static bool IsEuler(EditorCurveBinding binding)
-        {
-            return typeof(Transform).IsAssignableFrom(binding.type) && binding.propertyName.StartsWith(k_EulerAnglesRaw);
-        }
-
-        private static bool IsAvatarBinding(EditorCurveBinding binding)
-        {
-            return typeof(Animator).IsAssignableFrom(binding.type) && string.IsNullOrEmpty(binding.path);
-        }
-
-        private static bool IsSkeletalBinding(EditorCurveBinding binding)
-        {
-            // skin mesh incorporates blend shapes
-            return typeof(Transform).IsAssignableFrom(binding.type) || typeof(SkinnedMeshRenderer).IsAssignableFrom(binding.type);
-        }
-
-        private static AnimationCurve SetZeroKey(AnimationCurve curve, Keyframe[] keys, float val)
-        {
-            keys[0].value = val;
-            curve.keys = keys;
-            return curve;
-        }
-
-        private static bool IsEulerHint(EditorCurveBinding binding)
-        {
-            return typeof(Transform).IsAssignableFrom(binding.type) && binding.propertyName.StartsWith(k_EulerHint);
-        }
-
-        private static GameObject GetAvatarRoot(GameObject animatorRoot)
-        {
-            var animator = animatorRoot.GetComponent<Animator>();
-            if (animator != null && animator.avatarRoot != animatorRoot.transform)
-                return animator.avatarRoot.gameObject;
-            return animatorRoot;
-        }
-    }
-}
-#endif
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimationPreviewUtilities.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimationPreviewUtilities.cs.meta
deleted file mode 100644
index 82e3768..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimationPreviewUtilities.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 01da6c5b7c781174d818662ce6f39b8b
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimatorBindingCache.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimatorBindingCache.cs
deleted file mode 100644
index 53198ea..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimatorBindingCache.cs
+++ /dev/null
@@ -1,133 +0,0 @@
-#if UNITY_EDITOR
-using System.Collections.Generic;
-using UnityEngine;
-using UnityEngine.Playables;
-using UnityEngine.Timeline;
-using UnityEditor;
-
-namespace UnityEngine.Timeline
-{
-    /// <summary>
-    /// Animator to Editor Curve Binding cache. Used to prevent frequent calls to GetAnimatorBindings which can be costly
-    /// </summary>
-    class AnimatorBindingCache
-    {
-        public const string TRPlaceHolder = "TransformTR";
-        public const string ScalePlaceholder = "TransformScale";
-
-        struct AnimatorEntry
-        {
-            public int animatorID;
-            public bool applyRootMotion;
-            public bool humanoid;
-        }
-
-        class AnimatorEntryComparer : IEqualityComparer<AnimatorEntry>
-        {
-            public bool Equals(AnimatorEntry x, AnimatorEntry y) { return x.animatorID == y.animatorID && x.applyRootMotion == y.applyRootMotion && x.humanoid == y.humanoid; }
-            public int GetHashCode(AnimatorEntry obj) { return HashUtility.CombineHash(obj.animatorID, obj.applyRootMotion.GetHashCode(), obj.humanoid.GetHashCode()); }
-            public static readonly AnimatorEntryComparer Instance = new AnimatorEntryComparer();
-        }
-
-        readonly Dictionary<AnimatorEntry, EditorCurveBinding[]> m_AnimatorCache = new Dictionary<AnimatorEntry, EditorCurveBinding[]>(AnimatorEntryComparer.Instance);
-        readonly Dictionary<AnimationClip, EditorCurveBinding[]> m_ClipCache = new Dictionary<AnimationClip, EditorCurveBinding[]>();
-
-        private static readonly EditorCurveBinding[] kEmptyArray = new EditorCurveBinding[0];
-        private static readonly List<EditorCurveBinding> s_BindingScratchPad = new List<EditorCurveBinding>(1000);
-
-        public AnimatorBindingCache()
-        {
-            AnimationUtility.onCurveWasModified += OnCurveWasModified;
-        }
-
-        public EditorCurveBinding[] GetAnimatorBindings(GameObject gameObject)
-        {
-            if (gameObject == null)
-                return kEmptyArray;
-
-            Animator animator = gameObject.GetComponent<Animator>();
-            if (animator == null)
-                return kEmptyArray;
-
-            AnimatorEntry entry = new AnimatorEntry()
-            {
-                animatorID = animator.GetInstanceID(),
-                applyRootMotion = animator.applyRootMotion,
-                humanoid = animator.isHuman
-            };
-
-            EditorCurveBinding[] result = null;
-            if (m_AnimatorCache.TryGetValue(entry, out result))
-                return result;
-
-            s_BindingScratchPad.Clear();
-
-            // Replacement for AnimationMode.GetAnimatorBinding - this is faster and allocates kB instead of MB
-            var transforms = animator.GetComponentsInChildren<Transform>();
-            foreach (var t in transforms)
-            {
-                if (animator.IsBoneTransform(t))
-                    s_BindingScratchPad.Add(EditorCurveBinding.FloatCurve(AnimationUtility.CalculateTransformPath(t, animator.transform), typeof(Transform), TRPlaceHolder));
-            }
-
-            var streamBindings = AnimationUtility.GetAnimationStreamBindings(animator.gameObject);
-            UpdateTransformBindings(streamBindings);
-            s_BindingScratchPad.AddRange(streamBindings);
-
-            result = new EditorCurveBinding[s_BindingScratchPad.Count];
-            s_BindingScratchPad.CopyTo(result);
-            m_AnimatorCache[entry] = result;
-            return result;
-        }
-
-        public EditorCurveBinding[] GetCurveBindings(AnimationClip clip)
-        {
-            if (clip == null)
-                return kEmptyArray;
-
-            EditorCurveBinding[] result;
-            if (!m_ClipCache.TryGetValue(clip, out result))
-            {
-                result = AnimationMode.GetCurveBindings(clip);
-                UpdateTransformBindings(result);
-                m_ClipCache[clip] = result;
-            }
-
-            return result;
-        }
-
-        private static void UpdateTransformBindings(EditorCurveBinding[] bindings)
-        {
-            for (int i = 0; i < bindings.Length; i++)
-            {
-                var binding = bindings[i];
-                if (AnimationPreviewUtilities.IsRootMotion(binding))
-                {
-                    binding.type = typeof(Transform);
-                    binding.propertyName = TRPlaceHolder;
-                }
-                else if (typeof(Transform).IsAssignableFrom(binding.type) && (binding.propertyName.StartsWith("m_LocalRotation.") || binding.propertyName.StartsWith("m_LocalPosition.")))
-                {
-                    binding.propertyName = TRPlaceHolder;
-                }
-                else if (typeof(Transform).IsAssignableFrom(binding.type) && binding.propertyName.StartsWith("m_LocalScale."))
-                {
-                    binding.propertyName = ScalePlaceholder;
-                }
-                bindings[i] = binding;
-            }
-        }
-
-        public void Clear()
-        {
-            m_AnimatorCache.Clear();
-            m_ClipCache.Clear();
-        }
-
-        void OnCurveWasModified(AnimationClip clip, EditorCurveBinding binding, AnimationUtility.CurveModifiedType modification)
-        {
-            m_ClipCache.Remove(clip);
-        }
-    }
-}
-#endif
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimatorBindingCache.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimatorBindingCache.cs.meta
deleted file mode 100644
index dc6dc1d..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/AnimatorBindingCache.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: d0080567f62c3f94cb75b2927a349e22
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/Extrapolation.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/Extrapolation.cs
deleted file mode 100644
index 34408c9..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/Extrapolation.cs
+++ /dev/null
@@ -1,92 +0,0 @@
-using System;
-using UnityEngine;
-
-// Extension methods responsible for managing extrapolation time
-namespace UnityEngine.Timeline
-{
-    static class Extrapolation
-    {
-        /// <summary>
-        /// The minimum amount of extrapolation time to apply
-        /// </summary>
-        internal static readonly double kMinExtrapolationTime = TimeUtility.kTimeEpsilon * 1000;
-
-        // Calculates the extrapolation times
-        internal static void CalculateExtrapolationTimes(this TrackAsset asset)
-        {
-            TimelineClip[] clips = asset.clips;
-            if (clips == null || clips.Length == 0)
-                return;
-
-            // extrapolation not supported
-            if (!clips[0].SupportsExtrapolation())
-                return;
-
-            var orderedClips = SortClipsByStartTime(clips);
-            if (orderedClips.Length > 0)
-            {
-                // post extrapolation is the minimum time to the next clip
-                for (int i = 0; i < orderedClips.Length; i++)
-                {
-                    double minTime = double.PositiveInfinity;
-                    for (int j = 0; j < orderedClips.Length; j++)
-                    {
-                        if (i == j)
-                            continue;
-
-                        double deltaTime = orderedClips[j].start - orderedClips[i].end;
-                        if (deltaTime >= -TimeUtility.kTimeEpsilon && deltaTime < minTime)
-                            minTime = Math.Min(minTime, deltaTime);
-                        // check for overlapped clips
-                        if (orderedClips[j].start <= orderedClips[i].end && orderedClips[j].end > orderedClips[i].end)
-                            minTime = 0;
-                    }
-                    minTime = minTime <= kMinExtrapolationTime ? 0 : minTime;
-                    orderedClips[i].SetPostExtrapolationTime(minTime);
-                }
-
-                // the first clip gets pre-extrapolation, then it's only respected if there is no post extrapolation
-                orderedClips[0].SetPreExtrapolationTime(Math.Max(0, orderedClips[0].start));
-                for (int i = 1; i < orderedClips.Length; i++)
-                {
-                    double preTime = 0;
-                    int prevClip = -1;
-                    for (int j = 0; j < i; j++)
-                    {
-                        // overlap, no pre-time
-                        if (orderedClips[j].end > orderedClips[i].start)
-                        {
-                            prevClip = -1;
-                            preTime = 0;
-                            break;
-                        }
-
-                        double gap = orderedClips[i].start - orderedClips[j].end;
-                        if (prevClip == -1 || gap < preTime)
-                        {
-                            preTime = gap;
-                            prevClip = j;
-                        }
-                    }
-                    // check for a post extrapolation time
-                    if (prevClip >= 0)
-                    {
-                        if (orderedClips[prevClip].postExtrapolationMode != TimelineClip.ClipExtrapolation.None)
-                            preTime = 0;
-                    }
-
-                    preTime = preTime <= kMinExtrapolationTime ? 0 : preTime;
-                    orderedClips[i].SetPreExtrapolationTime(preTime);
-                }
-            }
-        }
-
-        static TimelineClip[] SortClipsByStartTime(TimelineClip[] clips)
-        {
-            var orderedClips = new TimelineClip[clips.Length];
-            Array.Copy(clips, orderedClips, clips.Length);
-            Array.Sort(orderedClips, (clip1, clip2) => clip1.start.CompareTo(clip2.start));
-            return orderedClips;
-        }
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/Extrapolation.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/Extrapolation.cs.meta
deleted file mode 100644
index 69c90cf..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/Extrapolation.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 32535dd294c621e4297fba34b15b1c52
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/HashUtility.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/HashUtility.cs
deleted file mode 100644
index 81fa940..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/HashUtility.cs
+++ /dev/null
@@ -1,51 +0,0 @@
-namespace UnityEngine.Timeline
-{
-    static class HashUtility
-    {
-        // Note. We could have used "params int[] hashes" but we want to avoid allocating.
-
-        public static int CombineHash(this int h1, int h2)
-        {
-            return h1 ^ (int)(h2 + 0x9e3779b9 + (h1 << 6) + (h1 >> 2)); // Similar to c++ boost::hash_combine
-        }
-
-        public static int CombineHash(int h1, int h2, int h3)
-        {
-            return CombineHash(h1, h2).CombineHash(h3);
-        }
-
-        public static int CombineHash(int h1, int h2, int h3, int h4)
-        {
-            return CombineHash(h1, h2, h3).CombineHash(h4);
-        }
-
-        public static int CombineHash(int h1, int h2, int h3, int h4, int h5)
-        {
-            return CombineHash(h1, h2, h3, h4).CombineHash(h5);
-        }
-
-        public static int CombineHash(int h1, int h2, int h3, int h4, int h5, int h6)
-        {
-            return CombineHash(h1, h2, h3, h4, h5).CombineHash(h6);
-        }
-
-        public static int CombineHash(int h1, int h2, int h3, int h4, int h5, int h6, int h7)
-        {
-            return CombineHash(h1, h2, h3, h4, h5, h6).CombineHash(h7);
-        }
-
-        public static int CombineHash(int[] hashes)
-        {
-            if (hashes == null || hashes.Length == 0)
-                return 0;
-
-            var h = hashes[0];
-            for (int i = 1; i < hashes.Length; ++i)
-            {
-                h = CombineHash(h, hashes[i]);
-            }
-
-            return h;
-        }
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/HashUtility.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/HashUtility.cs.meta
deleted file mode 100644
index fec5c19..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/HashUtility.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: d0ca7b2e84542bf4ab9987087e8d79ad
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyCollector.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyCollector.cs
deleted file mode 100644
index 08f991a..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyCollector.cs
+++ /dev/null
@@ -1,102 +0,0 @@
-using System.Collections.Generic;
-
-namespace UnityEngine.Timeline
-{
-    /// <summary>
-    /// Interface used to inform the Timeline Editor about potential property modifications that may occur while previewing.
-    /// </summary>
-    public interface IPropertyCollector
-    {
-        /// <summary>
-        /// Sets the active game object for subsequent property modifications.
-        /// </summary>
-        /// <param name="gameObject">The GameObject to push.</param>
-        void PushActiveGameObject(GameObject gameObject);
-
-        /// <summary>
-        /// Removes the active GameObject from the modification stack, restoring the previous value.
-        /// </summary>
-        void PopActiveGameObject();
-
-        /// <summary>
-        /// Add properties modified by an animation clip.
-        /// </summary>
-        /// <param name="clip">The animation clip that contains the properties</param>
-        void AddFromClip(AnimationClip clip);
-
-        /// <summary>
-        /// Add property modifications specified by a list of animation clips.
-        /// </summary>
-        /// <param name="clips">The list of animation clips used to determine which property modifications to apply.</param>
-        void AddFromClips(IEnumerable<AnimationClip> clips);
-
-        /// <summary>
-        /// Add property modifications using the serialized property name.
-        /// </summary>
-        /// <param name="name">The name of the serialized property</param>
-        /// <typeparam name="T">The type of the component the property exists on</typeparam>
-        /// <remarks>
-        /// This method uses the most recent gameObject from PushActiveGameObject
-        /// </remarks>
-        void AddFromName<T>(string name) where T : Component;
-
-        /// <summary>
-        /// Add property modifications using the serialized property name.
-        /// </summary>
-        /// <param name="name">The name of the serialized property</param>
-        /// <remarks>
-        /// This method uses the most recent gameObject from PushActiveGameObject
-        /// </remarks>
-        void AddFromName(string name);
-
-        /// <summary>
-        /// Add property modifications modified by an animation clip.
-        /// </summary>
-        /// <param name="obj">The GameObject where the properties exist</param>
-        /// <param name="clip">The animation clip that contains the properties</param>
-        void AddFromClip(GameObject obj, AnimationClip clip);
-
-        /// <summary>
-        /// Add property modifications specified by a list of animation clips.
-        /// </summary>
-        /// <param name="obj">The gameObject that will be animated</param>
-        /// <param name="clips">The list of animation clips used to determine which property modifications to apply.</param>
-        void AddFromClips(GameObject obj, IEnumerable<AnimationClip> clips);
-
-        /// <summary>
-        /// Add property modifications using the serialized property name.
-        /// </summary>
-        /// <param name="name">The name of the serialized property</param>
-        /// <param name="obj">The gameObject where the properties exist</param>
-        /// <typeparam name="T">The type of the component the property exists on</typeparam>>
-        void AddFromName<T>(GameObject obj, string name) where T : Component;
-
-        /// <summary>
-        /// Add property modifications using the serialized property name.
-        /// </summary>
-        /// <param name="obj">The gameObject where the properties exist</param>
-        /// <param name="name">The name of the serialized property</param>
-        void AddFromName(GameObject obj, string name);
-
-        /// <summary>
-        /// Add property modifications using the serialized property name.
-        /// </summary>
-        /// <param name="name">The name of the serialized property</param>
-        /// <param name="component">The component where the properties exist</param>
-        void AddFromName(Component component, string name);
-
-        /// <summary>
-        /// Set all serializable properties on a component to be under preview control.
-        /// </summary>
-        /// <param name="obj">The gameObject where the properties exist</param>
-        /// <param name="component">The component to set in preview mode</param>
-        void AddFromComponent(GameObject obj, Component component);
-
-        /// <summary>
-        /// Add property modifications modified by an animation clip.
-        /// </summary>
-        /// <param name="obj">The Object where the properties exist</param>
-        /// <param name="clip">The animation clip that contains the properties</param>
-        void AddObjectProperties(Object obj, AnimationClip clip);
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyCollector.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyCollector.cs.meta
deleted file mode 100644
index 05ecf1d..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyCollector.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 66b2b8fd1d9b4bc4c96b07335ad822f3
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyPreview.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyPreview.cs
deleted file mode 100644
index b779f15..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyPreview.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using UnityEngine.Playables;
-
-namespace UnityEngine.Timeline
-{
-    /// <summary>
-    /// Implement this interface in a PlayableAsset to specify which properties will be modified when Timeline is in preview mode.
-    /// </summary>
-    public interface IPropertyPreview
-    {
-        /// <summary>
-        /// Called by the Timeline Editor to gather properties requiring preview.
-        /// </summary>
-        /// <param name="director">The PlayableDirector invoking the preview</param>
-        /// <param name="driver">PropertyCollector used to gather previewable properties</param>
-        void GatherProperties(PlayableDirector director, IPropertyCollector driver);
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyPreview.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyPreview.cs.meta
deleted file mode 100644
index 31806d8..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/IPropertyPreview.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: b5f0881228e5827438f74e9b7b33c2dc
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/NotificationUtilities.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/NotificationUtilities.cs
deleted file mode 100644
index 41aabce..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/NotificationUtilities.cs
+++ /dev/null
@@ -1,54 +0,0 @@
-using System;
-using System.Collections.Generic;
-using UnityEngine.Playables;
-
-namespace UnityEngine.Timeline
-{
-    static class NotificationUtilities
-    {
-        public static ScriptPlayable<TimeNotificationBehaviour> CreateNotificationsPlayable(PlayableGraph graph, IEnumerable<IMarker> markers, GameObject go)
-        {
-            var notificationPlayable = ScriptPlayable<TimeNotificationBehaviour>.Null;
-            var director = go.GetComponent<PlayableDirector>();
-            foreach (var e in markers)
-            {
-                var notif = e as INotification;
-                if (notif == null)
-                    continue;
-
-                if (notificationPlayable.Equals(ScriptPlayable<TimeNotificationBehaviour>.Null))
-                {
-                    notificationPlayable = TimeNotificationBehaviour.Create(graph,
-                        director.playableAsset.duration, director.extrapolationMode);
-                }
-
-                var time = (DiscreteTime)e.time;
-                var tlDuration = (DiscreteTime)director.playableAsset.duration;
-                if (time >= tlDuration && time <= tlDuration.OneTickAfter() && tlDuration != 0)
-                {
-                    time = tlDuration.OneTickBefore();
-                }
-
-                var notificationOptionProvider = e as INotificationOptionProvider;
-                if (notificationOptionProvider != null)
-                {
-                    notificationPlayable.GetBehaviour().AddNotification((double)time, notif, notificationOptionProvider.flags);
-                }
-                else
-                {
-                    notificationPlayable.GetBehaviour().AddNotification((double)time, notif);
-                }
-            }
-
-            return notificationPlayable;
-        }
-
-        public static bool TrackTypeSupportsNotifications(Type type)
-        {
-            var binding = (TrackBindingTypeAttribute)Attribute.GetCustomAttribute(type, typeof(TrackBindingTypeAttribute));
-            return binding != null &&
-                (typeof(Component).IsAssignableFrom(binding.type) ||
-                    typeof(GameObject).IsAssignableFrom(binding.type));
-        }
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/NotificationUtilities.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/NotificationUtilities.cs.meta
deleted file mode 100644
index 6e5c8c3..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/NotificationUtilities.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: b90311a8f07b00f4bbeb2fff3b128d25
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimeUtility.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimeUtility.cs
deleted file mode 100644
index 549de4c..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimeUtility.cs
+++ /dev/null
@@ -1,212 +0,0 @@
-using System;
-using System.Text.RegularExpressions;
-
-namespace UnityEngine.Timeline
-{
-    // Sequence specific utilities for time manipulation
-    static class TimeUtility
-    {
-        // chosen because it will cause no rounding errors between time/frames for frames values up to at least 10 million
-        public static readonly double kTimeEpsilon = 1e-14;
-        public static readonly double kFrameRateEpsilon = 1e-6;
-        public static readonly double k_MaxTimelineDurationInSeconds = 9e6; //104 days of running time
-
-        static void ValidateFrameRate(double frameRate)
-        {
-            if (frameRate <= kTimeEpsilon)
-                throw new ArgumentException("frame rate cannot be 0 or negative");
-        }
-
-        public static int ToFrames(double time, double frameRate)
-        {
-            ValidateFrameRate(frameRate);
-            time = Math.Min(Math.Max(time, -k_MaxTimelineDurationInSeconds), k_MaxTimelineDurationInSeconds);
-            // this matches OnFrameBoundary
-            double tolerance = GetEpsilon(time, frameRate) / 2.0;
-            if (time < 0)
-            {
-                return (int)Math.Ceiling(time * frameRate - tolerance);
-            }
-            return (int)Math.Floor(time * frameRate + tolerance);
-        }
-
-        public static double ToExactFrames(double time, double frameRate)
-        {
-            ValidateFrameRate(frameRate);
-            return time * frameRate;
-        }
-
-        public static double FromFrames(int frames, double frameRate)
-        {
-            ValidateFrameRate(frameRate);
-            return (frames / frameRate);
-        }
-
-        public static double FromFrames(double frames, double frameRate)
-        {
-            ValidateFrameRate(frameRate);
-            return frames / frameRate;
-        }
-
-        public static bool OnFrameBoundary(double time, double frameRate)
-        {
-            return OnFrameBoundary(time, frameRate, GetEpsilon(time, frameRate));
-        }
-
-        public static double GetEpsilon(double time, double frameRate)
-        {
-            return Math.Max(Math.Abs(time), 1) * frameRate * kTimeEpsilon;
-        }
-
-        public static bool OnFrameBoundary(double time, double frameRate, double epsilon)
-        {
-            ValidateFrameRate(frameRate);
-
-            double exact = ToExactFrames(time, frameRate);
-            double rounded = Math.Round(exact);
-
-            return Math.Abs(exact - rounded) < epsilon;
-        }
-
-        public static double RoundToFrame(double time, double frameRate)
-        {
-            ValidateFrameRate(frameRate);
-
-            var frameBefore = (int)Math.Floor(time * frameRate) / frameRate;
-            var frameAfter = (int)Math.Ceiling(time * frameRate) / frameRate;
-
-            return Math.Abs(time - frameBefore) < Math.Abs(time - frameAfter) ? frameBefore : frameAfter;
-        }
-
-        public static string TimeAsFrames(double timeValue, double frameRate, string format = "F2")
-        {
-            if (OnFrameBoundary(timeValue, frameRate)) // make integral values when on time borders
-                return ToFrames(timeValue, frameRate).ToString();
-            return ToExactFrames(timeValue, frameRate).ToString(format);
-        }
-
-        public static string TimeAsTimeCode(double timeValue, double frameRate, string format = "F2")
-        {
-            ValidateFrameRate(frameRate);
-
-            int intTime = (int)Math.Abs(timeValue);
-
-            int hours = intTime / 3600;
-            int minutes = (intTime % 3600) / 60;
-            int seconds = intTime % 60;
-
-            string result;
-            string sign = timeValue < 0 ? "-" : string.Empty;
-            if (hours > 0)
-                result = hours + ":" + minutes.ToString("D2") + ":" + seconds.ToString("D2");
-            else if (minutes > 0)
-                result = minutes + ":" + seconds.ToString("D2");
-            else
-                result = seconds.ToString();
-
-            int frameDigits = (int)Math.Floor(Math.Log10(frameRate) + 1);
-
-            // Add partial digits on the frame if needed.
-            // we are testing the original value (not the truncated), because the truncation can cause rounding errors leading
-            // to invalid strings for items on frame boundaries
-            string frames = (ToFrames(timeValue, frameRate) - ToFrames(intTime, frameRate)).ToString().PadLeft(frameDigits, '0');
-            if (!OnFrameBoundary(timeValue, frameRate))
-            {
-                string decimals = ToExactFrames(timeValue, frameRate).ToString(format);
-                int decPlace = decimals.IndexOf('.');
-                if (decPlace >= 0)
-                    frames += " [" + decimals.Substring(decPlace) + "]";
-            }
-
-            return sign + result + ":" + frames;
-        }
-
-        // Given a time code string, return the time in seconds
-        // 1.5 -> 1.5 seconds
-        // 1:1.5 -> 1 minute, 1.5 seconds
-        // 1:1[.5] -> 1 second, 1.5 frames
-        // 2:3:4 -> 2 minutes, 3 seconds, 4 frames
-        // 1[.6] -> 1.6 frames
-        public static double ParseTimeCode(string timeCode, double frameRate, double defaultValue)
-        {
-            timeCode = RemoveChar(timeCode, c => char.IsWhiteSpace(c));
-            string[] sections = timeCode.Split(':');
-            if (sections.Length == 0 || sections.Length > 4)
-                return defaultValue;
-
-            int hours = 0;
-            int minutes = 0;
-            double seconds = 0;
-            double frames = 0;
-
-            try
-            {
-                // depending on the format of the last numbers
-                // seconds format
-                string lastSection = sections[sections.Length - 1];
-                if (Regex.Match(lastSection, @"^\d+\.\d+$").Success)
-                {
-                    seconds = double.Parse(lastSection);
-                    if (sections.Length > 3) return defaultValue;
-                    if (sections.Length > 1) minutes = int.Parse(sections[sections.Length - 2]);
-                    if (sections.Length > 2) hours = int.Parse(sections[sections.Length - 3]);
-                }
-                // frame formats
-                else
-                {
-                    if (Regex.Match(lastSection, @"^\d+\[\.\d+\]$").Success)
-                    {
-                        string stripped = RemoveChar(lastSection, c => c == '[' || c == ']');
-                        frames = double.Parse(stripped);
-                    }
-                    else if (Regex.Match(lastSection, @"^\d*$").Success)
-                    {
-                        frames = int.Parse(lastSection);
-                    }
-                    else
-                    {
-                        return defaultValue;
-                    }
-
-                    if (sections.Length > 1) seconds = int.Parse(sections[sections.Length - 2]);
-                    if (sections.Length > 2) minutes = int.Parse(sections[sections.Length - 3]);
-                    if (sections.Length > 3) hours = int.Parse(sections[sections.Length - 4]);
-                }
-            }
-            catch (FormatException)
-            {
-                return defaultValue;
-            }
-
-            return frames / frameRate + seconds + minutes * 60 + hours * 3600;
-        }
-
-        // fixes rounding errors from using single precision for length
-        public static double GetAnimationClipLength(AnimationClip clip)
-        {
-            if (clip == null || clip.empty)
-                return 0;
-
-            double length = clip.length;
-            if (clip.frameRate > 0)
-            {
-                double frames = Mathf.Round(clip.length * clip.frameRate);
-                length = frames / clip.frameRate;
-            }
-            return length;
-        }
-
-        static string RemoveChar(string str, Func<char, bool> charToRemoveFunc)
-        {
-            var len = str.Length;
-            var src = str.ToCharArray();
-            var dstIdx = 0;
-            for (var i = 0; i < len; i++)
-            {
-                if (!charToRemoveFunc(src[i]))
-                    src[dstIdx++] = src[i];
-            }
-            return new string(src, 0, dstIdx);
-        }
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimeUtility.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimeUtility.cs.meta
deleted file mode 100644
index ff1d820..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimeUtility.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: f779e779d62b5ca49b658236c337845d
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineCreateUtilities.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineCreateUtilities.cs
deleted file mode 100644
index 0870e40..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineCreateUtilities.cs
+++ /dev/null
@@ -1,131 +0,0 @@
-using System;
-using System.Collections.Generic;
-#if UNITY_EDITOR
-using UnityEditor;
-#endif
-
-namespace UnityEngine.Timeline
-{
-    static class TimelineCreateUtilities
-    {
-        // based off of ObjectNames.GetUniqueName, but can exist in runtime
-        public static string GenerateUniqueActorName(List<ScriptableObject> tracks, string name)
-        {
-            if (!tracks.Exists(x => ((object)x) != null && x.name == name))
-                return name;
-
-            int numberInParentheses = 0;
-            string baseName = name;
-
-            if (!string.IsNullOrEmpty(name) && name[name.Length - 1] == ')')
-            {
-                int index = name.LastIndexOf('(');
-                if (index > 0)
-                {
-                    string numberString = name.Substring(index + 1, name.Length - index - 2);
-                    if (int.TryParse(numberString, out numberInParentheses))
-                    {
-                        numberInParentheses++;
-                        baseName = name.Substring(0, index);
-                    }
-                }
-            }
-
-            baseName = baseName.TrimEnd();
-
-            for (int i = numberInParentheses; i < numberInParentheses + 5000; i++)
-            {
-                if (i > 0)
-                {
-                    string result = string.Format("{0} ({1})", baseName, i);
-                    if (!tracks.Exists(x => ((object)x) != null && x.name == result))
-                        return result;
-                }
-            }
-
-            // Fallback
-            return name;
-        }
-
-        public static void SaveAssetIntoObject(Object childAsset, Object masterAsset)
-        {
-            if (childAsset == null || masterAsset == null)
-                return;
-
-            if ((masterAsset.hideFlags & HideFlags.DontSave) != 0)
-            {
-                childAsset.hideFlags |= HideFlags.DontSave;
-            }
-            else
-            {
-                childAsset.hideFlags |= HideFlags.HideInHierarchy;
-#if UNITY_EDITOR
-                if (!AssetDatabase.Contains(childAsset) && AssetDatabase.Contains(masterAsset))
-                    AssetDatabase.AddObjectToAsset(childAsset, masterAsset);
-#endif
-            }
-        }
-
-        public static AnimationClip CreateAnimationClipForTrack(string name, TrackAsset track, bool isLegacy)
-        {
-            var timelineAsset = track != null ? track.timelineAsset : null;
-            var trackFlags = track != null ? track.hideFlags : HideFlags.None;
-
-            var curves = new AnimationClip
-            {
-                legacy = isLegacy,
-
-                name = name,
-
-                frameRate = timelineAsset == null
-                    ? TimelineAsset.EditorSettings.kDefaultFps
-                    : timelineAsset.editorSettings.fps
-            };
-
-            SaveAssetIntoObject(curves, timelineAsset);
-            curves.hideFlags = trackFlags & ~HideFlags.HideInHierarchy; // Never hide in hierarchy
-
-            TimelineUndo.RegisterCreatedObjectUndo(curves, "Create Curves");
-
-            return curves;
-        }
-
-        public static bool ValidateParentTrack(TrackAsset parent, Type childType)
-        {
-            if (childType == null || !typeof(TrackAsset).IsAssignableFrom(childType))
-                return false;
-
-            // no parent is valid for any type
-            if (parent == null)
-                return true;
-
-            // A track supports layers if it implements ILayerable. Only supported for parents that are
-            // the same exact type as the child class, and 1 level of nesting only
-            if (parent is ILayerable && !parent.isSubTrack && parent.GetType() == childType)
-                return true;
-
-            var attr = Attribute.GetCustomAttribute(parent.GetType(), typeof(SupportsChildTracksAttribute)) as SupportsChildTracksAttribute;
-            if (attr == null)
-                return false;
-
-            // group track case, accepts all
-            if (attr.childType == null)
-                return true;
-
-            // specific case. Specifies nesting level
-            if (childType == attr.childType)
-            {
-                int nestCount = 0;
-                var p = parent;
-                while (p != null && p.isSubTrack)
-                {
-                    nestCount++;
-                    p = p.parent as TrackAsset;
-                }
-
-                return nestCount < attr.levels;
-            }
-            return false;
-        }
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineCreateUtilities.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineCreateUtilities.cs.meta
deleted file mode 100644
index f81aa91..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineCreateUtilities.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 40cb137d0e9816e48a4141ed13afedad
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineUndo.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineUndo.cs
deleted file mode 100644
index b6392f0..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineUndo.cs
+++ /dev/null
@@ -1,90 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using UnityEngine.Playables;
-
-#if UNITY_EDITOR
-using UnityEditor;
-#endif
-
-namespace UnityEngine.Timeline
-{
-    static class TimelineUndo
-    {
-        public static void PushDestroyUndo(TimelineAsset timeline, Object thingToDirty, Object objectToDestroy, string operation)
-        {
-#if UNITY_EDITOR
-            if (objectToDestroy == null || !DisableUndoGuard.enableUndo)
-                return;
-
-            if (thingToDirty != null)
-                EditorUtility.SetDirty(thingToDirty);
-
-            if (timeline != null)
-                EditorUtility.SetDirty(timeline);
-
-            Undo.DestroyObjectImmediate(objectToDestroy);
-#else
-            if (objectToDestroy != null)
-                Object.Destroy(objectToDestroy);
-#endif
-        }
-
-        [Conditional("UNITY_EDITOR")]
-        public static void PushUndo(Object thingToDirty, string operation)
-        {
-#if UNITY_EDITOR
-            if (thingToDirty != null && DisableUndoGuard.enableUndo)
-            {
-                var track = thingToDirty as TrackAsset;
-                if (track != null)
-                    track.MarkDirty();
-
-                EditorUtility.SetDirty(thingToDirty);
-                Undo.RegisterCompleteObjectUndo(thingToDirty, "Timeline " + operation);
-            }
-#endif
-        }
-
-        [Conditional("UNITY_EDITOR")]
-        public static void RegisterCreatedObjectUndo(Object thingCreated, string operation)
-        {
-#if UNITY_EDITOR
-            if (DisableUndoGuard.enableUndo)
-            {
-                Undo.RegisterCreatedObjectUndo(thingCreated, "Timeline " + operation);
-            }
-#endif
-        }
-
-#if UNITY_EDITOR
-        public struct DisableUndoGuard : IDisposable
-        {
-            internal static bool enableUndo = true;
-            static readonly Stack<bool> m_UndoStateStack = new Stack<bool>();
-            bool m_Disposed;
-            public DisableUndoGuard(bool disable)
-            {
-                m_Disposed = false;
-                m_UndoStateStack.Push(enableUndo);
-                enableUndo = !disable;
-            }
-
-            public void Dispose()
-            {
-                if (!m_Disposed)
-                {
-                    if (m_UndoStateStack.Count == 0)
-                    {
-                        Debug.LogError("UnMatched DisableUndoGuard calls");
-                        enableUndo = true;
-                        return;
-                    }
-                    enableUndo = m_UndoStateStack.Pop();
-                    m_Disposed = true;
-                }
-            }
-        }
-#endif
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineUndo.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineUndo.cs.meta
deleted file mode 100644
index c62c751..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/TimelineUndo.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 1f2a7e0d1b6bbba408a41e206945c23c
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/WeightUtility.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/WeightUtility.cs
deleted file mode 100644
index 22db909..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/WeightUtility.cs
+++ /dev/null
@@ -1,30 +0,0 @@
-using UnityEngine.Playables;
-
-namespace UnityEngine.Timeline
-{
-    static class WeightUtility
-    {
-        // Given a mixer, normalizes the mixer if required
-        //  returns the output weight that should be applied to the mixer as input
-        public static float NormalizeMixer(Playable mixer)
-        {
-            if (!mixer.IsValid())
-                return 0;
-            int count = mixer.GetInputCount();
-            float weight = 0.0f;
-            for (int c = 0; c < count; c++)
-            {
-                weight += mixer.GetInputWeight(c);
-            }
-
-            if (weight > Mathf.Epsilon && weight < 1)
-            {
-                for (int c = 0; c < count; c++)
-                {
-                    mixer.SetInputWeight(c, mixer.GetInputWeight(c) / weight);
-                }
-            }
-            return Mathf.Clamp01(weight);
-        }
-    }
-}
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/WeightUtility.cs.meta b/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/WeightUtility.cs.meta
deleted file mode 100644
index bf2c55d..0000000
--- a/Library/PackageCache/com.unity.timeline@1.2.13/Runtime/Utilities/WeightUtility.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: e7a505b341283e14696e86433a5b1ae9
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: