public static ACRRequest resolve(final AuthenticationRequest authRequest) {
List<ACR> essentialACRs = null;
List<ACR> voluntaryACRs = null;
ClaimsRequest claimsRequest = authRequest.getClaims();
if (claimsRequest != null) {
for (ClaimsRequest.Entry claimEntry: claimsRequest.getIDTokenClaims()) {
if (! claimEntry.getClaimName().equals("acr"))
continue;
if (claimEntry.getClaimRequirement().equals(ClaimRequirement.ESSENTIAL)) {