code: public String name(String name, String... names) {
          return com.codahale.metrics.MetricRegistry.name(String.format("%s.%s", metricPrefix, name), names);
      }
docs: Concatenates elements to form a dotted name, eliding any null values or empty strings.
  
  @param name     the first element of the name
  @param names    the remaining elements of the name
  @return {@code name} and {@code names} concatenated by periods
  @see com.codahale.metrics.MetricRegistry#name