@Override
    public ProxyGrantingTicket create(final ServiceTicket serviceTicket, final Authentication authentication) throws Throwable {
        val pgtId = produceTicketIdentifier();
        return produceTicket(serviceTicket, authentication, pgtId);
    }
The {@link DefaultProxyGrantingTicketFactory} is responsible
for creating {@link ProxyGrantingTicket} objects.

@author Misagh Moayyed
@since 4.2
core/cas-server-core-tickets-api/src/main/java/org/apereo/cas/ticket/factory/DefaultProxyGrantingTicketFactory.java