code: public static FluentLogger 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(FluentLogger.class);
      return new FluentLogger(Platform.getBackend(loggingClass));
    }
docs: Returns a new logger instance which parses log messages using printf format for the enclosing
  class using the system default logging backend.