/**
                             * CategoryAxisBase manages category data for an axis.
                             *
                             * @class CategoryAxisBase
                             * @constructor
                             * @extends AxisBase
                             * @uses CategoryImpl
                             * @param {Object} config (optional) Configuration parameters.
                             * @submodule axis-category-base
                             */
                            Y.CategoryAxisBase = Y.Base.create("categoryAxisBase", Y.AxisBase, [Y.CategoryImpl]);