@JsonIgnore
    @Override
    public boolean isAllowedToProxy() {
        return true;
    }
A proxy policy that only allows proxying to pgt urls
via a REST endpoint.

@author Misagh Moayyed
@since 6.6.0
core/cas-server-core-services-api/src/main/java/org/apereo/cas/services/RestfulRegisteredServiceProxyPolicy.java