Method log

core/src/main/java/feign/Logger.java:236–241

(String configKey, String format, Object... args)

    }

    @Override
    protected void log(String configKey, String format, Object... args) {
      if (logger.isLoggable(java.util.logging.Level.FINE)) {
        logger.fine(String.format(methodTag(configKey) + format, args));
      }
    }

    /**
     * Helper that configures java.util.logging to sanely log messages at FINE level without