private static boolean isRememberMeProvidedInRequest(final RequestContext requestContext) {
        val request = WebUtils.getHttpServletRequestFromExternalWebflowContext(requestContext);
        val value = request.getParameter(RememberMeCredential.REQUEST_PARAMETER_REMEMBER_ME);
        LOGGER.trace("Locating request parameter [{}] with value [{}]", RememberMeCredential.REQUEST_PARAMETER_REMEMBER_ME, value);
        return StringUtils.isNotBlank(value) && BooleanUtils.toBoolean(value) && WebUtils.isRememberMeAuthenticationEnabled(requestContext);
    }
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