src/vs/workbench/browser/parts/paneCompositePart.ts/PaneCompositeParts/showActivity
class PaneCompositeParts:	showActivity(id: string, viewContainerLocation: ViewContainerLocation, badge: IBadge, clazz?: string, priority?: number): IDisposable {
		return this.getSelectorPartByLocation(viewContainerLocation).showActivity(id, badge, clazz, priority);
	}