src/vs/workbench/browser/parts/activitybar/activitybarPart.ts/ActivitybarPart/getViewContainer
class ActivitybarPart:	private getViewContainer(id: string): ViewContainer | undefined {
		const viewContainer = this.viewDescriptorService.getViewContainerById(id);
		return viewContainer && this.viewDescriptorService.getViewContainerLocation(viewContainer) === this.location ? viewContainer : undefined;
	}