src/vs/workbench/contrib/preferences/browser/preferencesEditor.ts/PreferencesRenderersController/_findSetting
class PreferencesRenderersController:	private _findSetting(filterResult: IFilterResult, key: string): { groupIdx: number, settingIdx: number, overallSettingIdx: number; } | undefined {
		let overallSettingIdx = 0;

		for (let groupIdx = 0; groupIdx < filterResult.filteredGroups.length; groupIdx++) {
			const group = filterResult.filteredGroups[groupIdx];
			for (let settingIdx = 0; settingIdx < group.sections[0].settings.length; settingIdx++) {
				const setting = group.sections[0].settings[settingIdx];
				if (key === setting.key) {
					return { groupIdx, settingIdx, overallSettingIdx };
				}

				overallSettingIdx++;
			}
		}

		return undefined;
	}