src/vs/workbench/contrib/preferences/browser/settingsTreeModels.ts/SearchResultModel/getFlatSettings
class SearchResultModel:	private getFlatSettings(): ISetting[] {
		const flatSettings: ISetting[] = [];
		arrays.coalesce(this.getUniqueResults())
			.forEach(r => {
				flatSettings.push(
					...r.filterMatches.map(m => m.setting));
			});

		return flatSettings;
	}