src/vs/workbench/contrib/tasks/common/problemCollectors.ts/AbstractProblemCollector/deliverMarkersPerOwnerAndResource
class AbstractProblemCollector:	protected deliverMarkersPerOwnerAndResource(owner: string, resource: string): void {
		const markersPerOwner = this.markers.get(owner);
		if (!markersPerOwner) {
			return;
		}
		const deliveredMarkersPerOwner = this.getDeliveredMarkersPerOwner(owner);
		const markersPerResource = markersPerOwner.get(resource);
		if (!markersPerResource) {
			return;
		}
		this.deliverMarkersPerOwnerAndResourceResolved(owner, resource, markersPerResource, deliveredMarkersPerOwner);
	}