public Map<String,Object> send(Map<String,Object> request) throws HttpClientException {
  return send((String)props.get("payment.valuelink.url"),request);
}

public Map < String , Object > send ( Map < String , Object > request ) throws HttpClientException { return send ( ( String ) props . get ( "payment.valuelink.url" ) , request ) ; }
transmit a request to valuelink
