src/vs/workbench/contrib/timeline/browser/timelinePane.ts/TimelineTreeRenderer/constructor
class TimelineTreeRenderer:	constructor(
		private readonly commands: TimelinePaneCommands,
		@IInstantiationService protected readonly instantiationService: IInstantiationService,
		@IThemeService private themeService: IThemeService,
		@IHoverService private readonly hoverService: IHoverService,
		@IConfigurationService private readonly configurationService: IConfigurationService,
	) {
		this.actionViewItemProvider = createActionViewItem.bind(undefined, this.instantiationService);
		this._hoverDelegate = {
			showHover: (options: IHoverDelegateOptions) => this.hoverService.showHover(options),
			delay: <number>this.configurationService.getValue('workbench.hover.delay')
		};
	}