/// <summary>
        /// Constructor.  Acquire all necessary BeatSaberUi elements.
        /// </summary>
        /// <param name="flowCoordinator"></param>
        public BeatSaberUIController(FlowCoordinator flowCoordinator)
        {
            Logger.Debug("Collecting all BeatSaberUI Elements...");

            LevelSelectionFlowCoordinator = flowCoordinator;

            // gather flow coordinator elements
            LevelSelectionNavigationController = LevelSelectionFlowCoordinator.GetPrivateField <LevelSelectionNavigationController>("levelSelectionNavigationController");
            Logger.Debug("Acquired LevelSelectionNavigationController [{0}]", LevelSelectionNavigationController.GetInstanceID());

            LevelFilteringNavigationController = LevelSelectionNavigationController.GetPrivateField <LevelFilteringNavigationController>("_levelFilteringNavigationController");
            Logger.Debug("Acquired LevelFilteringNavigationController [{0}]", LevelFilteringNavigationController.GetInstanceID());

            LevelCollectionNavigationController = LevelSelectionNavigationController.GetPrivateField <LevelCollectionNavigationController>("_levelCollectionNavigationController");
            Logger.Debug("Acquired LevelCollectionNavigationController [{0}]", LevelCollectionNavigationController.GetInstanceID());

            LevelCollectionViewController = LevelCollectionNavigationController.GetPrivateField <LevelCollectionViewController>("_levelCollectionViewController");
            Logger.Debug("Acquired LevelPackLevelsViewController [{0}]", LevelCollectionViewController.GetInstanceID());

            LevelDetailViewController = LevelCollectionNavigationController.GetPrivateField <StandardLevelDetailViewController>("_levelDetailViewController");
            Logger.Debug("Acquired StandardLevelDetailViewController [{0}]", LevelDetailViewController.GetInstanceID());

            LevelCollectionTableView = this.LevelCollectionViewController.GetPrivateField <LevelCollectionTableView>("_levelCollectionTableView");
            Logger.Debug("Acquired LevelPackLevelsTableView [{0}]", LevelCollectionTableView.GetInstanceID());

            StandardLevelDetailView = LevelDetailViewController.GetPrivateField <StandardLevelDetailView>("_standardLevelDetailView");
            Logger.Debug("Acquired StandardLevelDetailView [{0}]", StandardLevelDetailView.GetInstanceID());

            BeatmapCharacteristicSelectionViewController = StandardLevelDetailView.GetPrivateField <BeatmapCharacteristicSegmentedControlController>("_beatmapCharacteristicSegmentedControlController");
            Logger.Debug("Acquired BeatmapCharacteristicSegmentedControlController [{0}]", BeatmapCharacteristicSelectionViewController.GetInstanceID());

            LevelDifficultyViewController = StandardLevelDetailView.GetPrivateField <BeatmapDifficultySegmentedControlController>("_beatmapDifficultySegmentedControlController");
            Logger.Debug("Acquired BeatmapDifficultySegmentedControlController [{0}]", LevelDifficultyViewController.GetInstanceID());

            LevelCollectionTableViewTransform = LevelCollectionTableView.transform as RectTransform;
            Logger.Debug("Acquired TableViewRectTransform from LevelPackLevelsTableView [{0}]", LevelCollectionTableViewTransform.GetInstanceID());

            AnnotatedBeatmapLevelCollectionsViewController = LevelFilteringNavigationController.GetPrivateField <AnnotatedBeatmapLevelCollectionsViewController>("_annotatedBeatmapLevelCollectionsViewController");
            Logger.Debug("Acquired AnnotatedBeatmapLevelCollectionsViewController from LevelFilteringNavigationController [{0}]", AnnotatedBeatmapLevelCollectionsViewController.GetInstanceID());

            TableView tableView = LevelCollectionTableView.GetPrivateField <TableView>("_tableView");

            TableViewPageUpButton   = tableView.GetPrivateField <Button>("_pageUpButton");
            TableViewPageDownButton = tableView.GetPrivateField <Button>("_pageDownButton");
            Logger.Debug("Acquired Page Up and Down buttons...");

            ActionButtons = StandardLevelDetailView.GetComponentsInChildren <RectTransform>().First(x => x.name == "ActionButtons");
            Logger.Debug("Acquired ActionButtons [{0}]", ActionButtons.GetInstanceID());

            ScreenSystem = Resources.FindObjectsOfTypeAll <ScreenSystem>().Last();
            Logger.Debug("Acquired ScreenSystem [{0}]", ScreenSystem.GetInstanceID());

            SimpleDialogPromptViewControllerPrefab = Resources.FindObjectsOfTypeAll <SimpleDialogPromptViewController>().Last();
            Logger.Debug("Acquired SimpleDialogPromptViewControllerPrefab [{0}]", SimpleDialogPromptViewControllerPrefab.GetInstanceID());

            BeatmapLevelsModel = Resources.FindObjectsOfTypeAll <BeatmapLevelsModel>().Last();
            Logger.Debug("Acquired BeatmapLevelsModel [{0}]", BeatmapLevelsModel);
        }
        /// <summary>
        /// Get the currently selected level pack within the LevelPackLevelViewController hierarchy.
        /// </summary>
        /// <returns></returns>
        private IBeatmapLevelPack GetCurrentSelectedLevelPack()
        {
            if (LevelCollectionNavigationController == null)
            {
                return(null);
            }

            var pack = LevelCollectionNavigationController.GetPrivateField <IBeatmapLevelPack>("_levelPack");

            return(pack);
        }