docs: function () {
              var res = [];
              var cfg = this._cfg;
              if (cfg.fromDate || cfg.toDate) {
                  var cssPrefix = "x" + this._skinnableClass + "_" + this._cfg.sclass;
                  res.push({
                      fromDate : cfg.fromDate || cfg.toDate,
                      toDate : cfg.toDate || cfg.fromDate,
                      classes : {
                          from : cssPrefix + "_selected_from",
                          to : cssPrefix + "_selected_to",
                          fromTo : cssPrefix + "_selected_from_to",
                          sameFromTo : cssPrefix + "_selected_same_from_to"
                      }
                  });
              }
              var cfgRanges = cfg.ranges;
              if (cfgRanges) {
                  res = res.concat(cfgRanges);
              }
              return res;
          }