 and should never be defined by the JSP page author.
 <p>
 If a superclass is specified using the extends attribute, that superclass may choose to perform some actions in its
 service() method before or after calling the _jspService() method. See using the extends attribute in the JSP_Engine
 chapter of the JSP specification.
 <p>
 The specific signature depends on the protocol supported by the JSP page.

 <pre>
 public void _jspService(<em>ServletRequestSubtype</em> request,
                             <e