- const char* recipientID=NULL,
- const char* relayState=NULL,
- const Credential* credential=NULL,
- const XMLCh* sigAlgorithm=NULL
+ const EntityDescriptor* recipient=nullptr,
+ const char* relayState=nullptr,
+ const ArtifactGenerator* artifactGenerator=nullptr,
+ const Credential* credential=nullptr,
+ const XMLCh* signatureAlg=nullptr,
+ const XMLCh* digestAlg=nullptr