import Ember from "ember";
                        
                        /**
                         * Entry for column listeners.
                         *
                         * @class EmberColumnData.ColumnListenerEntry
                         */
                        export default Ember.Object.extend({
                          /**
                           * A name to uniquely identify column data.
                           *
                           * @property name
                           * @type String
                           */
                          name : "",
                        
                          /**
                           * Key name of the attribute in the record. If not provided, 'name' is used a key.
                           *
                           * @property keyName
                           * @type String
                           */
                          keyName : "",
                        
                          /**
                           * Key of the attribute based on keyName or name if keyName is not provided.
                           *
                           * @property key
                           * @type String
                           * @private
                           */
                          key : Ember.computed("keyName", "name", function() {
                            return this.get("keyName") || this.get("name");
                          }),
                        });