protected AuthenticationRiskContingencyResponse executeInternal(final Authentication authentication,
                                                                    final RegisteredService service,
                                                                    final AuthenticationRiskScore score,
                                                                    final HttpServletRequest request) {
        return null;
    }
This is {@link BaseAuthenticationRiskContingencyPlan}.

@author Misagh Moayyed
@since 5.1.0
support/cas-server-support-electrofence/src/main/java/org/apereo/cas/impl/plans/BaseAuthenticationRiskContingencyPlan.java