 class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">message</span>, [</span> <span class="parameter" id="-param-osError"><span class="type-annotation"><a href="dart-io/OSError-class.html">OSError</a></span> <span class="parameter-name">osError</span></span> ])</span>
        </dt>
        <dd>
          
          <div class="constructor-modifier features">const</div>
        </dd>
      </dl>
    </section>

    <section class="summary offset-anchor