 <dt id="getCallbackHandle" class="callable">
          <span class="name"><a href="dart-ui/PluginUtilities/getCallbackHandle.html">getCallbackHandle</a></span><span class="signature">(<wbr><span class="parameter" id="getCallbackHandle-param-callback"><span class="type-annotation"><a href="dart-core/Function-class.html">Function</a></span> <span class="parameter-name">callback</span></span>)
            <span class="returntype parameter">&#8594; <a href="dart-ui/CallbackHandle-class.html">CallbackHandle</a>