e Flash authoring tool.</p></td></tr></table></div></div><div class="field "><a name="opaqueBackground"></a><h3 class="anchor"><code><a href="#opaqueBackground"><span class="identifier">opaqueBackground</span></a>:<a class="type" title="Null - Null&amp;lt;T&amp;gt; is a wrapper that can be used to make the basic types Int, Float and Bool nullable on static targets." href="../../Null.html">Null</a>&lt;<a class="type" title="Int - The standard Int type." href="../../Int.html">Int</a>&gt;</code></h3><div class