 <section class="summary offset-anchor" id="instance-properties">
      <h2>Properties</h2>

      <dl class="properties">
        <dt id="namespaceUri" class="property">
          <span class="name"><a href="dart-html/CssNamespaceRule/namespaceUri.html">namespaceUri</a></span>
          <span class="signature">&#8594; <a href="dart-core/String-class.html">String</a></span>         
        </dt>
        <dd>
          
                  <div class="features">@JSName(&#39;namespaceURI&#39;), read-only</div>