function A_sb(a,b){this.Init(a);this.Wg=b}A_a("AdfRichChartXAxis",A_sb);AdfObject.createSubclass(A_sb,A_t);A_sb.prototype.Pe=function(){return"xAxis"};A_sb.prototype.hN=function(a){this.I({viewportStartGroup:a})};A_sb.prototype.setViewportStartGroup=A_sb.prototype.hN;A_sb.prototype.eN=function(a){this.I({viewportEndGroup:a})};A_sb.prototype.setViewportEndGroup=A_sb.prototype.eN;