default @NotNull CefRenderHandler createCefRenderHandler(@NotNull JComponent component) {
    assert component instanceof JBCefOsrComponent;
    JBCefOsrComponent osrComponent = (JBCefOsrComponent)component;
    JBCefOsrHandler handler = new JBCefOsrHandler();
    osrComponent.setRenderHandler(handler);
    return handler;
  }
default @NotNull CefRenderHandler createCefRenderHandler(@NotNull JComponent component)