src/vs/workbench/browser/parts/views/treeView.ts/TreeRenderer/constructor
class TreeRenderer:	constructor(
		private treeViewId: string,
		private menus: TreeMenus,
		private labels: ResourceLabels,
		private actionViewItemProvider: IActionViewItemProvider,
		private aligner: Aligner,
		@IThemeService private readonly themeService: IThemeService,
		@IConfigurationService private readonly configurationService: IConfigurationService,
		@ILabelService private readonly labelService: ILabelService,
		@IHoverService private readonly hoverService: IHoverService,
		@ITreeViewsService private readonly treeViewsService: ITreeViewsService
	) {
		super();
		this._hoverDelegate = {
			showHover: (options: IHoverDelegateOptions) => this.hoverService.showHover(options),
			delay: <number>this.configurationService.getValue('workbench.hover.delay')
		};
	}