src/vs/workbench/services/views/browser/viewDescriptorService.ts/ViewDescriptorService/getViewContainerLocation
class ViewDescriptorService:	getViewContainerLocation(viewContainer: ViewContainer): ViewContainerLocation {
		const location = this.cachedViewContainerInfo.get(viewContainer.id);
		return location !== undefined ? location : this.getDefaultViewContainerLocation(viewContainer);
	}