code: def _set_request_auth_type_metric(self, request):
          
          if 'HTTP_AUTHORIZATION' in request.META and request.META['HTTP_AUTHORIZATION']:
              token_parts = request.META['HTTP_AUTHORIZATION'].split()
              # Example: "JWT eyJhbGciO..."
              if len(token_parts) == 2:
                  auth_type = token_parts[0].lower()  # 'jwt' or 'bearer' (for example)
              else:
                  auth_type = 'other-token-type'
          elif not hasattr(request, 'user') or not request.user:
              auth_type = 'no-user'
          elif not request.user.is_authenticated:
              auth_type = 'unauthenticated'
          else:
              auth_type = 'session-or-unknown'
          monitoring.set_custom_metric('request_auth_type', auth_type)
docs: Add metric 'request_auth_type' for the authentication type used.
  
          NOTE: This is a best guess at this point.  Possible values include:
              no-user
              unauthenticated
              jwt/bearer/other-token-type
              session-or-unknown (catch all)