// empty ctor
}
public RequestSecurityTokenResponseCollectionImpl(URI tokenType, URI context, RequestedSecurityToken token, AppliesTo scopes,
RequestedAttachedReference attached, RequestedUnattachedReference unattached, RequestedProofToken proofToken, Entropy entropy, Lifetime lt) {
final RequestSecurityTokenResponse rstr = new RequestSecurityTokenResponseImpl(tokenType, context, token, scopes,
attached, unattached, proofToken, entropy, lt, null);
addRequestSecurityTokenResponse(rstr);
}