t(0,0,0,0)"})},_boundaryOffsetChanged:function(t){this.async(function(){this._panel.style.padding=t+"px"})}},t.Positionable=[StrandTraits.WindowNotifier,StrandTraits.AutoClosable,Positionable]}(window.StrandTraits=window.StrandTraits||{});</script><script type="text/javascript">!function(t){var e=(StrandLib.Measure,StrandLib.Rectangle,StrandLib.BehaviorUtils,{properties:{direction:{type:String,value:"s",observer:"_directionChanged"},_placement:{type:String,reflectToAttribute:!0},target:{type:Object,observer