docs: @RequestMapping(value = "/profile", method = RequestMethod.POST)
      public String post(@RequestParam(required = false) Collection<String> checkedScopes,
                         @RequestParam(required = false) String update,
                         @RequestParam(required = false) String delete,
                         @RequestParam(required = false) String clientId) {
          String userId = getCurrentUserId();
          if (null != update) {
              Map<String, List<DescribedApproval>> approvalsByClientId = getCurrentApprovalsForUser(userId);
  
              List<DescribedApproval> allApprovals = new ArrayList<>();
              for (List<DescribedApproval> clientApprovals : approvalsByClientId.values()) {
                  allApprovals.addAll(clientApprovals);
              }
  
              if (hasText(clientId)) {
                  allApprovals.removeIf(da -> !clientId.equals(da.getClientId()));
              }
  
              for (Approval approval : allApprovals) {
                  String namespacedScope = approval.getClientId() + "-" + approval.getScope();
                  if (checkedScopes != null && checkedScopes.contains(namespacedScope)) {
                      approval.setStatus(Approval.ApprovalStatus.APPROVED);
                  } else {
                      approval.setStatus(Approval.ApprovalStatus.DENIED);
                  }
              }
              updateApprovals(allApprovals);
          }
          else if (null != delete) {
              deleteApprovalsForClient(userId, clientId);
          }
  
          return "redirect:profile";
      }