the
 Jakarta Expression Language implicit object <code>flash</code> and also via <a href="../../../javax/faces/context/ExternalContext.html#getFlash--"><code>ExternalContext.getFlash()</code></a>.  The implementation must
 ensure that the flash is usable from both Jakarta Server Pages and from Facelets for
 Jakarta Server Faces 2.  In addition to exposing the <code>Map</code> interface, there
 are several features exposed as methods on the <code>Flash</code>
 itself.  Each of these features may be accessed 