YUI.add("tree-labelable",function(e,l){function a(){}function i(e,l){this._serializable=this._serializable.concat("label"),"label"in l&&(this.label=l.label)}a.prototype={initializer:function(){this.nodeExtensions=this.nodeExtensions.concat(e.Tree.Node.Labelable)}},e.Tree.Labelable=a,i.prototype={label:""},e.Tree.Node.Labelable=i},"patched-v3.18.4",{requires:["tree"]});