an>, </span> <span class="parameter" id="-param-max"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-name">max</span></span>)
    </section>

    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">Gauge(String name, String description, this.min, this.max)
    : super(name, description) {
  ArgumentError.checkNotNull(min, &#39;min&#39;);
  Ar