st ProcessSignal._(21, &quot;SIGTTIN&quot;)</code></span>
          </div>
        </dd>
        <dt id="SIGTTOU" class="constant">
          <span class="name deprecated"><a class="deprecated" href="dart-io/ProcessSignal/SIGTTOU-constant.html">SIGTTOU</a></span>
          <span class="signature">&#8594; const <a href="dart-io/ProcessSignal-class.html">ProcessSignal</a></span>
                  </dt>
        <dd>
          
                  <div class="features">@<a href="dart-core/Deprecated-class.html">D