public boolean isSupportedProtocol(final String protocol) {
        return this.ssoDescriptor.isSupportedProtocol(protocol);
    }
Is supported protocol?

@param protocol the protocol
@return true/false
support/cas-server-support-saml-idp-core/src/main/java/org/apereo/cas/support/saml/services/idp/metadata/SamlRegisteredServiceMetadataAdaptor.java