src/vs/workbench/contrib/preferences/browser/preferencesSearch.ts/SettingMatches/toDescriptionRange
class SettingMatches:	private toDescriptionRange(setting: ISetting, match: IMatch, lineIndex: number): IRange {
		return {
			startLineNumber: setting.descriptionRanges[lineIndex].startLineNumber,
			startColumn: setting.descriptionRanges[lineIndex].startColumn + match.start,
			endLineNumber: setting.descriptionRanges[lineIndex].endLineNumber,
			endColumn: setting.descriptionRanges[lineIndex].startColumn + match.end
		};
	}