time of the error. 
                  <div class="features">final</div>
</dd>
        <dt id="start" class="property">
          <span class="name"><a href="../dart-core/IndexError/start.html">start</a></span>
          <span class="signature">&#8594; <a href="../dart-core/int-class.html">int</a></span>         
        </dt>
        <dd>
          The minimum value that <a href="../dart-core/RangeError/RangeError.value.html">value</a> is allowed to assume. 
                  <div class="features">read-only