text: import { Subject } from 'rxjs';
  /**
   * @hidden
   */
  var SortService = /** @class */ (function () {
      function SortService() {
          this.changes = new Subject();
      }
      SortService.prototype.sort = function (value) {
          this.changes.next(value);
      };
      return SortService;
  }());
  export { SortService };
  