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 /**
 @module tree
 @submodule tree-labelable
 **/
 
 /**
 `Tree.Node` extension that adds baked in support for labels like you might see
 in a treeview or menu.
 
 **Security note:** The label is stored in raw, unescaped form. If you choose to
 render the label as HTML, be sure to escape it first with `Y.Escape.html()`
 unless you actually intend to render raw HTML contained in the label.
 
 @class Tree.Node.Labelable
 @constructor
 @param {Tree} tree `Tree` instance with which this node should be associated.
 @param {Object} [config] Configuration hash.
 @param {String} [config.label=''] Label for this node.
 @extensionfor Tree.Node
 **/
 
 function NodeLabelable(tree, config) {
 this._serializable = this._serializable.concat('label');
 
 if ('label' in config) {
 this.label = config.label;
 }
 }
 
 NodeLabelable.prototype = {
 /**
 Label for this node.
 
 **Security note:** The label is stored in raw, unescaped form. If you choose
 to render the label as HTML, be sure to escape it first with
 `Y.Escape.html()` unless you actually intend to render raw HTML contained in
 the label.
 
 @property {String} label
 @default ''
 **/
 label: ''
 };
 
 Y.Tree.Node.Labelable = NodeLabelable;