" id="createTemp-param-prefix"><span class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">prefix</span></span> ])
      
    </section>
    <section class="desc markdown">
      <p>Creates a temporary directory in this directory. Additional random
characters are appended to <code>prefix</code> to produce a unique directory
name. If <code>prefix</code> is missing or null, the empty string is used
for <code>prefix</code>.</p>
<p>Returns a <code>Future&lt