question: @ Get public Representation userCodeForm ( ) throws OAuth2RestletException , InvalidGrantException , NotFoundException , ServerException { final OAuth2Request request = requestFactory . create ( getRequest ( ) ) ; if ( request . getParameter ( OAuth2Constants . DeviceCode . USER_CODE ) != null ) { return verify ( null ) ; } else { return getTemplateRepresentation ( FORM , request , null ) ; } }
target:  Handles GET requests to the OAuth2 device/user endpoint, returning a form to allow the user to submit their user code