@SuppressWarnings("UnusedParameters")
    protected void handleRequest(Request request, ContentInputStream requestContent,
                                 ResponseHandler responseHandler)
    {
        ResponseDispatch.newInstance(Response.Status.NOT_IMPLEMENTED).dispatch(responseHandler);
    }
<p>Implement this method if you want to access the {@link Request}'s content using a {@link ContentInputStream}.
If you do not override this method, it will dispatch a {@link Response} to the {@link ResponseHandler} with a
<code>Response.Status.NOT_IMPLEMENTED</code> status.</p>

@param request         The Request to handle.
@param responseHandler The handler to pass the corresponding {@link Response} to.
@param requestContent  The content of the Request.
jdisc_core/src/main/java/com/yahoo/jdisc/handler/ThreadedRequestHandler.java