public AuthRequest authenticate(List discoveries,String returnToUrl) throws ConsumerException, MessageException {
  return authenticate(discoveries,returnToUrl,returnToUrl);
}

public AuthRequest authenticate ( List discoveries , String returnToUrl ) throws ConsumerException , MessageException { return authenticate ( discoveries , returnToUrl , returnToUrl ) ; }
builds a authentication request message for the user specified in the discovery information provided as a parameter . < p > if the discoveries parameter contains more than one entry , it will iterate over them trying to establish an association . if an association cannot be established , the first entry is used with stateless mode .
