@Override
    public boolean supports(final Class<? extends Credential> clazz) {
        return QRAuthenticationTokenCredential.class.isAssignableFrom(clazz);
    }
This is {@link QRAuthenticationTokenAuthenticationHandler}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-qr-authentication/src/main/java/org/apereo/cas/qr/authentication/QRAuthenticationTokenAuthenticationHandler.java