src/vs/workbench/contrib/preferences/browser/preferencesSearch.ts/SettingMatches/constructor
class SettingMatches:	constructor(
		searchString: string,
		setting: ISetting,
		private requireFullQueryMatch: boolean,
		private searchDescription: boolean,
		private valuesMatcher: (filter: string, setting: ISetting) => IRange[],
		@IConfigurationService private readonly configurationService: IConfigurationService
	) {
		this.matches = distinct(this._findMatchesInSetting(searchString, setting), (match) => `${match.startLineNumber}_${match.startColumn}_${match.endLineNumber}_${match.endColumn}_`);
	}