@JsonIgnore
    @Override
    public boolean isAllowedToProxy() {
        return true;
    }
A proxy policy that only allows proxying to pgt urls
that match the specified regex pattern.

@author Misagh Moayyed
@since 4.1.0
core/cas-server-core-services-api/src/main/java/org/apereo/cas/services/RegexMatchingRegisteredServiceProxyPolicy.java