code: public static void mark(
        Class<?> serviceInterface, Metrics metrics, Method method, String eventType) {
      if (metrics != null) {
        Meter meter = metrics.getMeter(serviceInterface, method.getName(), eventType);
        Metrics.mark(meter);
      }
    }
docs: Reports an event to <code>meter</code> described by given parameters.
  
  @param serviceInterface - part of metric description (class name is used).
  @param metrics - {@link Metrics} instance with {@link MetricRegistry} initialized.
  @param method - part of metric description (method name is used).
  @param eventType - part of metric description.