src/vs/workbench/contrib/tasks/common/problemCollectors.ts/StartStopProblemCollector/constructor
class StartStopProblemCollector:	constructor(problemMatchers: ProblemMatcher[], markerService: IMarkerService, modelService: IModelService, _strategy: ProblemHandlingStrategy = ProblemHandlingStrategy.Clean, fileService?: IFileService) {
		super(problemMatchers, markerService, modelService, fileService);
		const ownerSet: { [key: string]: boolean } = Object.create(null);
		problemMatchers.forEach(description => ownerSet[description.owner] = true);
		this.owners = Object.keys(ownerSet);
		this.owners.forEach((owner) => {
			this.recordResourcesToClean(owner);
		});
	}