src/vs/editor/contrib/codeAction/browser/codeActionModel.ts/CodeActionOracle/_getRangeOfMarker
class CodeActionOracle:	private _getRangeOfMarker(selection: Selection): Range | undefined {
		const model = this._editor.getModel();
		if (!model) {
			return undefined;
		}
		for (const marker of this._markerService.read({ resource: model.uri })) {
			const markerRange = model.validateRange(marker);
			if (Range.intersectRanges(markerRange, selection)) {
				return Range.lift(markerRange);
			}
		}

		return undefined;
	}