s="type-annotation"><a href="../dart-typed_data/ByteData-class.html">ByteData</a></span> <span class="parameter-name">data</span>, </span><wbr><span class="parameter" id="push-param-callback"><span class="type-annotation"><a href="../dart-ui/PlatformMessageResponseCallback.html">PlatformMessageResponseCallback</a></span> <span class="parameter-name">callback</span></span><wbr>)
            <span class="returntype parameter">&#8594; <a href="../dart-core/bool-class.html">bool</a></span>
          </span>
   