public static void FillInClips()
        {
            string directory = SelectionUtility.GetDirectoryOfSelection();
            // Get all animation clips in the current directory
            List <AnimationClip> clipsForAnimator = new List <AnimationClip>();

            string[] clipGUIDs = AssetDatabase.FindAssets("t:animationClip");
            directory = directory.Replace(@"\", @"/");
            foreach (string clipGUID in clipGUIDs)
            {
                string guidPath = AssetDatabase.GUIDToAssetPath(clipGUID);
                Debug.Log($"guidPath: {guidPath}");
                Debug.Log($"directory: {directory}");
                if (guidPath.Contains(directory))
                {
                    Debug.Log($"directory: {directory}");

                    clipsForAnimator.Add(AssetDatabase.LoadAssetAtPath <AnimationClip>(guidPath));
                }
            }

            AnimatorOverrideController overrideController = (AnimatorOverrideController)Selection.activeObject;

            Debug.Log($"clip: {clipsForAnimator.Count}");
            // Replace clips if they match
            foreach (AnimationClip clip in clipsForAnimator)
            {
                Debug.Log($"clip: {clip}");
                Debug.Log("test");
                // Get just the clip name
                string clipAnimName = ExtractAnimNameFromClipName(clip.name);
                Debug.Log("Searching for matches for clip: " + clipAnimName);

                // Find the corresponding clip to replace
                for (int i = 0; i < overrideController.clips.Length; i++)
                {
                    string originalClipName = overrideController.clips[i].originalClip.name;
                    string animName         = ExtractAnimNameFromClipName(originalClipName);
                    if (clipAnimName == animName)
                    {
                        Debug.Log("Replacing clip: " + originalClipName + " With: " + clip.name);
                        overrideController[originalClipName] = clip;
                        break;
                    }
                }
            }
        }
 private static bool IsFillInClipsValid()
 {
     return(SelectionUtility.IsActiveObjectOfType <AnimatorOverrideController>());
 }