@Override public TicketValidator build() { Cas20ProxyTicketValidator ticketValidator = new Cas20ProxyTicketValidator(casServerUrlPrefix); super.configure(ticketValidator); if (proxyChainsValidation != null) { ticketValidator.setAcceptAnyProxy(!proxyChainsValidation); } if (allowEmptyProxyChain != null) { ticketValidator.setAllowEmptyProxyChain(allowEmptyProxyChain); } if (proxyChains != null) { ticketValidator.setAllowedProxyChains(proxyChains); } return ticketValidator; } }