text: import Subscriber from '../Subscriber';
  import Notification from '../Notification';
  export default function materialize() {
      return this.lift(new MaterializeOperator());
  }
  class MaterializeOperator {
      call(subscriber) {
          return new MaterializeSubscriber(subscriber);
      }
  }
  class MaterializeSubscriber extends Subscriber {
      constructor(destination) {
          super(destination);
      }
      _next(value) {
          this.destination.next(Notification.createNext(value));
      }
      _error(err) {
          const destination = this.destination;
          destination.next(Notification.createError(err));
          destination.complete();
      }
      _complete() {
          const destination = this.destination;
          destination.next(Notification.createComplete());
          destination.complete();
      }
  }
  