          </dt>
        <dd>
          Returns a string representation of this object.
                  <div class="features">override</div>
</dd>
        <dt id="watch" class="callable">
          <span class="name"><a href="dart-io/ProcessSignal/watch.html">watch</a></span><span class="signature">(<wbr>)
            <span class="returntype parameter">&#8594; <a href="dart-async/Stream-class.html">Stream</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="dart-io/ProcessSignal-class.