src/vs/workbench/browser/parts/views/viewsViewlet.ts/FilterViewPaneContainer/getViewsForTarget
class FilterViewPaneContainer:	private getViewsForTarget(target: string[]): IViewDescriptor[] {
		const views: IViewDescriptor[] = [];
		for (let i = 0; i < target.length; i++) {
			if (this.allViews.has(target[i])) {
				views.push(...Array.from(this.allViews.get(target[i])!.values()));
			}
		}

		return views;
	}