public String getInformationURL(final String locale) {
        if (this.uiInfo != null) {
            val informationUrl = getLocalizedValues(locale, this.uiInfo.getInformationURLs());
            return Optional.ofNullable(informationUrl).orElseGet(super::getInformationURL);
        }
        return super.getInformationURL();
    }
Gets localized informationURL.

@param locale browser preferred language
@return the informationURL
support/cas-server-support-saml-mdui-core/src/main/java/org/apereo/cas/support/saml/mdui/SamlMetadataUIInfo.java