    <dt id="message" class="property">
          <span class="name"><a href="dart-io/FileSystemException/message.html">message</a></span>
          <span class="signature">&#8594; <a href="dart-core/String-class.html">String</a></span>
        </dt>
        <dd>
          Message describing the error. This does not include any detailed
information form the underlying OS error. Check <code>osError</code> for
that information.
          <div class="features">final</div>
</dd>
        <dt id="osError" class="p