(Since version 2.1.0) Do not invoke directly. Use withRequest to change the binding, or request to get the value
(Since version 2.1.0) Do not invoke directly. Use withResponse to change the binding, or response to get the value
(Since version 2.1.0) Use servletContext instead
(Since version 2.1.0) Use status_=(Int) instead
Responsible for passing a JValue further in the render pipeline.