code: public HtmlResponse withView(Object viewObject) {
          assertArgumentNotNull("viewObject", viewObject);
          if (!getRegistrationList().isEmpty()) {
              String msg = "Cannot call withView() with renderWith(): registrationList=" + getRegistrationList();
              throw new IllegalStateException(msg);
          }
          this.viewObject = viewObject;
          return this;
      }
docs: Render with view class. <br>
  for framework that has view class e.g. Mixer2.
  <pre>
  &#064;Execute
  <span style="color: #70226C">public</span> HtmlResponse index() {
  <span style="color: #70226C">return</span> asHtml(<span style="color: #0000C0">path_Sea_SeaHtml</span>).<span style="color: #CC4747">withView</span>(new SeaView(beans));
  }
  </pre>
  @param viewObject The prepared instance of view class, which has rendering data. (NotNull)
  @return this. (NotNull)