@Override
    public String retrieveCookieValue(final HttpServletRequest request) {
        try {
            if (StringUtils.isBlank(getCookieName())) {
                throw new InvalidCookieException("Cookie name is undefined");
            }
            var cookie = org.springframework.web.util.WebUtils.getCookie(request, Objects.requireNonNull(getCookieName()));
            if (cookie == null) {
                val cookieValue = request.getHeader(getCookieName());
                if (StringUtils.isNotBlank(cookieValue)) {
                    LOGGER.trace("Found cookie [{}] under header name [{}]", cookieValue, getCookieName());
                    cookie = createCookie(cookieValue);
                }
            }
            if (cookie == null) {
                val cookieValue = request.getParameter(getCookieName());
                if (StringUtils.isNotBlank(cookieValue)) {
                    LOGGER.trace("Found cookie [{}] under request parameter name [{}]", cookieValue, getCookieName());
                    cookie = createCookie(cookieValue);
                }
            }
            return Optional.ofNullable(cookie)
                .map(ck -> casCookieValueManager.obtainCookieValue(ck, request))
                .orElse(null);
        } catch (final Exception e) {
            LoggingUtils.warn(LOGGER, e);
        }
        return null;
    }
Is remember me authentication ?

@param requestContext the request context
@return true/false
core/cas-server-core-cookie-api/src/main/java/org/apereo/cas/web/support/gen/CookieRetrievingCookieGenerator.java