@Override
 public void setAuthenticationSuccessHandler(AuthenticationSuccessHandler successHandler) {
   targetSuccessHandler.passthrough = successHandler;
   super.setAuthenticationSuccessHandler(targetSuccessHandler);
 }
 /** OpenIdConnectAuthenticationFilter constructor */
 public OIDCAuthenticationFilter() {
   super(FILTER_PROCESSES_URL);
   targetSuccessHandler.passthrough = super.getSuccessHandler();
   super.setAuthenticationSuccessHandler(targetSuccessHandler);
 }