en this property is set to <code>false</code>, 
         the object dispatches a <code>hide</code> event. In either case, 
         the children of the object do not generate a <code>show</code> or 
         <code>hide</code> event unless the object specifically writes an 
         implementation to do so.</p>
                  <p>The default value is <code>true</code>.</p>
<span class="label">Implementation</span>
<br>
<code>&nbsp;&nbsp;&nbsp;&nbsp;public function get visible():Boolean</code>
<br>
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