src/vs/workbench/services/preferences/browser/preferencesService.ts/PreferencesService/isDefaultFolderSettingsResource
class PreferencesService:	private isDefaultFolderSettingsResource(uri: URI): boolean {
		return uri.authority === 'defaultsettings' && uri.scheme === network.Schemas.vscode && !!uri.path.match(/\/(\d+\/)?resourceSettings\.json$/);
	}