code: public static GoogleLogger forEnclosingClass() {
      // NOTE: It is _vital_ that the call to "caller finder" is made directly inside the static
      // factory method. See getCallerFinder() for more information.
      String loggingClass = Platform.getCallerFinder().findLoggingClass(GoogleLogger.class);
      return new GoogleLogger(Platform.getBackend(loggingClass));
    }
docs: Returns a new Google specific logger instance using printf style message formatting.