question: @ Deprecated public Response serve ( String uri , Method method , Map < String , String > headers , Map < String , String > parms , Map < String , String > files ) { return newFixedLengthResponse ( Response . Status . NOT_FOUND , NanoHTTPD . MIME_PLAINTEXT , "Not Found" ) ; }
target:  Override this to customize the server. <p/> <p/> (By default, this returns a 404 "Not Found" plain text error response.)