code: private boolean isForgotPasswordAuthorizationRequest(@NonNull HttpServletRequest request) {
          final String error = request.getParameter("error");
          final String description = request.getParameter("error_description");
  
          if ("access_denied".equals(error)) {
              Assert.hasText(description, "description should contain text.");
              return description.startsWith("AADB2C90118:");
          }
  
          return false;
      }
docs: The B2C service will enhance that, and then related code will be removed.