src/vs/workbench/contrib/markers/browser/markersTable.ts/MarkerFileColumnRenderer/renderTemplate
class MarkerFileColumnRenderer:	renderTemplate(container: HTMLElement): IMarkerFileColumnTemplateData {
		const columnElement = DOM.append(container, $('.file'));
		const fileLabel = new HighlightedLabel(columnElement);
		fileLabel.element.classList.add('file-label');
		const positionLabel = new HighlightedLabel(columnElement);
		positionLabel.element.classList.add('file-position');

		return { columnElement, fileLabel, positionLabel };
	}