ss is only
enforced when a Metric is registered. The name of a metric cannot contain
the slash ('/') character.</p>
    </section>
    
    <section>
      <dl class="dl-horizontal">



        <dt>Implementers</dt>
        <dd><ul class="comma-separated clazz-relationships">
          <li><a href="dart-developer/Counter-class.html">Counter</a></li>
          <li><a href="dart-developer/Gauge-class.html">Gauge</a></li>
        </ul></dd>

      </dl>
    </section>

    <section class="summary offset-anchor