        <span class="returntype"><a href="dart-core/String-class.html">String</a></span>
                  <span class="name ">scheme</span>
          
</section>
        
                <section class="desc markdown">
          <p>The scheme component of the URI.</p>
<p>Returns the empty string if there is no scheme component.</p>
<p>A URI scheme is case insensitive.
The returned scheme is canonicalized to lowercase letters.</p>
        </section>
                <section class="summary source-code" id="s