<span style="white-space:nowrap">?CallbackFilter:<a class="type" title="Class - An abstract type that represents a Class." href="../../Class.html">Class</a>&lt;<a class="type" title="flixel.FlxObject - This is the base class for most of the display objects (FlxSprite, FlxText, etc)." href="../../flixel/FlxObject.html">FlxObject</a>&gt;,</span> <span style="white-space:nowrap">Range:<a class="type" title="Int - The standard Int type." href="../../Int.html">Int</a> = 1</span>):<a class="type" title="Void - Th