src/vs/workbench/browser/parts/editor/tabsTitleControl.ts/TabsTitleControl/getLabelConfigFlags
class TabsTitleControl:	private getLabelConfigFlags(value: string | undefined) {
		switch (value) {
			case 'short':
				return { verbosity: Verbosity.SHORT, shortenDuplicates: false };
			case 'medium':
				return { verbosity: Verbosity.MEDIUM, shortenDuplicates: false };
			case 'long':
				return { verbosity: Verbosity.LONG, shortenDuplicates: false };
			default:
				return { verbosity: Verbosity.MEDIUM, shortenDuplicates: true };
		}
	}