ay not be on the display list, the top-most display object in the
SWF file has its <code>root</code> property set to itself. The Loader
object does not have its <code>root</code> property set until it is added
as a child of a display object for which the <code>root</code> property is
set.</p></div></div><div class="field "><a name="rotation"></a><h3 class="anchor"><code><span class="label label-meta label-meta-keep" title="Causes a field or type to be kept by DCE.">@:keep</span><a href="#rotation"><span cla