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    <h5>Future class</h5>
    <ol>
      <li class="section-title"><a href="dart-async/Future-class.html#constructors">Constructors</a></li>
      <li><a href="dart-async/Future/Future.html">Future</a></li>
      <li><a href="dart-async/Future/Future.delayed.html">delayed</a></li>
      <li><a href="dart-async/Future/Future.error.html">error</a></li>
      <li><a href="dart-async/Future/Future.microtask.html">microtask</a></li>
      <li><a href="d