code: protected Map<String, String> getCasValidationFilterInitParams() {
          Map<String, String> params = new HashMap<>();
          CasEurekaClinicalProperties properties = 
                  this.servletModuleSupport.getApplicationProperties();
          params.put("casServerUrlPrefix", properties.getCasUrl());
          params.put("serverName", properties.getProxyCallbackServer());
          params.put("proxyCallbackUrl", getCasProxyCallbackUrl());
          params.put("proxyReceptorUrl", getCasProxyCallbackPath());
          return params;
      }
docs: Constructs an init parameter map for the
  {@link Cas20ProxyReceivingTicketValidationFilter} filter.
  
  @return the init parameter map.