ion(){a(this._stackHost,this._stackTarget,this.stackType)},_stackTargetChanged:function(t,e){t&&this._updateStack()},_updateDepth:function(){this._stackTarget?this._stackTarget.style.setProperty("z-index",this.depth):this._stackHost.style.setProperty("z-index",this.depth)},_updateType:function(t,e){t&&this._updateStack(t,e)},moveToTop:function(){return this._updateStack(),this.depth},_updateStack:function(t,s){if(this._initialized){var i=t?t:this.stackType,n=s?s:null;a(this._stackHost,this._stackTarget,i,n)