   <h2>Constructors</h2>

      <dl class="constructor-summary-list">
        <dt id="UserTag" class="callable">
          <span class="name"><a href="dart-developer/UserTag/UserTag.html">UserTag</a></span><span class="signature">(<span class="parameter" id="-param-label"><span class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">label</span></span>)</span>
        </dt>
        <dd>
          
          <div class="constructor-modifier features">facto