 id="message" class="property">
          <span class="name"><a href="../dart-core/FormatException/message.html">message</a></span>
          <span class="signature">&#8594; <a href="../dart-core/String-class.html">String</a></span>         
        </dt>
        <dd>
          A message describing the format error. 
                  <div class="features">final</div>
</dd>
        <dt id="offset" class="property">
          <span class="name"><a href="../dart-core/FormatException/offset.html">offset</a></s