@Override
    public void contribute(final Formatter formatter, final Environment environment) {
        formatter.format("OpenSAML Version: %s%n", Version.getVersion());
    }
This is {@link SamlBannerContributor}.

@author Misagh Moayyed
@since 7.1.0
support/cas-server-support-saml-core-api/src/main/java/org/apereo/cas/support/saml/banner/SamlBannerContributor.java