docs: private Map<String, Object> getUserinfoFromRegistryMap(Set<String> claims,
              Map<String, Object> inputMap,
              boolean isJson) throws Exception {
          Map<String, Object> result = inputMap;
  
          VMMService vmmService = JwtUtils.getVMMService();
          if (vmmService != null) {
              PropertyControl vmmServiceProps = new PropertyControl();
              Properties claimsToVMMProperties = new Properties();
              if (!claims.isEmpty()) {
                  // Properties claimsToVMMProps = jwtConfig.getClaimToUserRegistryMap(); //TODO
                  for (String claim : claims) {
                      String vmmProperty = claim;// claimsToVMMProps.getProperty(claim);
                      // if (vmmProperty == null) {
                      // vmmProperty = claim;
                      // if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                      // Tr.debug(tc, "claim: " + claim + "  is not mapped to a vmm property, using the claim name as the vmm property name");
                      // }
                      // }
                      // else if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                      // Tr.debug(tc, "claim: " + claim + "  mapped to vmmProperty: " + vmmProperty);
                      // }
  
                      claimsToVMMProperties.put(claim, vmmProperty);
                      vmmServiceProps.getProperties().add(vmmProperty);
                  }
              }
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                  Tr.debug(tc, "claimsToVMMProperties: " + claimsToVMMProperties);
                  Tr.debug(tc, "getting VMM properties: " + vmmServiceProps.getProperties());
              }
              if (!vmmServiceProps.getProperties().isEmpty()) {
                  // Call VMM to get the user's properties
                  // IdentifierType id = new IdentifierType();
                  // String uniqueId = RegistryHelper.getUserRegistry(null).getUniqueUserId(userName);
                  // id.setUniqueName(uniqueId);
                  // Entity entity = new Entity();
                  // entity.setIdentifier(id);
                  // Root root = new Root();
                  // root.getEntities().add(entity);
                  // root.getControls().add(vmmServiceProps);
                  // root = vmmService.get(root);
                  // PersonAccount person = (PersonAccount) root.getEntities().get(0);
                  PersonAccount person = getUser(vmmService, vmmServiceProps);
                  // Now add the claims/values to the JSON
                  for (Entry<Object, Object> e : claimsToVMMProperties.entrySet()) {
                      String claim = (String) e.getKey();
                      String vmmProperty = (String) e.getValue();
                      Object value = person.get(vmmProperty);
                      if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                          Tr.debug(tc, "get for claim: " + claim + "  vmmProperty: " + vmmProperty + ", returned: " + value);
                      }
                      String strValue = vmmPropertyToString(value);
                      if (strValue != null && !strValue.isEmpty()) {
                          result.put(claim, strValue);
                          // if (isJson && claim.equals("address")) {
                          // JSONObject addressJSON = new JSONObject();
                          // addressJSON.put("formatted", strValue);
                          // result.put(claim, addressJSON);
                          // } else {
                          // result.put(claim, strValue);
                          // }
                      }
                  }
              }
          }
          else {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                  Tr.debug(tc, "VMM service not available - not returning any extra claims");
              }
          }
  
          return result;
      }