src/vs/workbench/contrib/preferences/browser/preferencesSearch.ts/SettingMatches/_findMatchesInSetting
class SettingMatches:	private _findMatchesInSetting(searchString: string, setting: ISetting): IRange[] {
		const result = this._doFindMatchesInSetting(searchString, setting);
		if (setting.overrides && setting.overrides.length) {
			for (const subSetting of setting.overrides) {
				const subSettingMatches = new SettingMatches(searchString, subSetting, this.requireFullQueryMatch, this.searchDescription, this.valuesMatcher);
				const words = searchString.split(' ');
				const descriptionRanges: IRange[] = this.getRangesForWords(words, this.descriptionMatchingWords, [subSettingMatches.descriptionMatchingWords, subSettingMatches.keyMatchingWords, subSettingMatches.valueMatchingWords]);
				const keyRanges: IRange[] = this.getRangesForWords(words, this.keyMatchingWords, [subSettingMatches.descriptionMatchingWords, subSettingMatches.keyMatchingWords, subSettingMatches.valueMatchingWords]);
				const subSettingKeyRanges: IRange[] = this.getRangesForWords(words, subSettingMatches.keyMatchingWords, [this.descriptionMatchingWords, this.keyMatchingWords, subSettingMatches.valueMatchingWords]);
				const subSettingValueRanges: IRange[] = this.getRangesForWords(words, subSettingMatches.valueMatchingWords, [this.descriptionMatchingWords, this.keyMatchingWords, subSettingMatches.keyMatchingWords]);
				result.push(...descriptionRanges, ...keyRanges, ...subSettingKeyRanges, ...subSettingValueRanges);
				result.push(...subSettingMatches.matches);
			}
		}
		return result;
	}