@Override
    protected OAuth20GrantTypes getGrantType() {
        return OAuth20GrantTypes.CIBA;
    }
This is {@link OidcAccessTokenCibaGrantRequestValidator}.

@author Misagh Moayyed
@since 7.1.0
support/cas-server-support-oidc-core-api/src/main/java/org/apereo/cas/oidc/token/ciba/OidcAccessTokenCibaGrantRequestValidator.java