azure-spring-boot/src/main/java/com/microsoft/azure/spring/autoconfigure/b2c/AADB2CAuthorizationRequestResolver.java
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;
    }
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;
    }
The B2C service will enhance that, and then related code will be removed.