src/vs/editor/common/services/markerDecorationsService.ts/MarkerDecorationsService/getLiveMarkers
class MarkerDecorationsService:	getLiveMarkers(uri: URI): [Range, IMarker][] {
		const markerDecorations = this._markerDecorations.get(uri);
		return markerDecorations ? markerDecorations.getMarkers() : [];
	}