code: protected Optional<ExpirationPolicy> getExpirationPolicyFor(final TicketState ticketState) {
          val name = getExpirationPolicyNameFor(ticketState);
          LOGGER.trace("Received expiration policy name [{}] to activate", name);
          if (StringUtils.isNotBlank(name) && policies.containsKey(name)) {
              val policy = policies.get(name);
              LOGGER.trace("Located expiration policy [{}] by name [{}]", policy, name);
              return Optional.of(policy);
          }
          LOGGER.warn("No expiration policy could be found by the name [{}] for ticket state [{}]", name, ticketState);
          return Optional.empty();
      }
docs: Gets expiration policy by its name.
  
  @param ticketState the ticket state
  @return the expiration policy for