public static Credential getMultifactorAuthenticationParentCredential(final RequestContext requestContext) {
        return requestContext.getFlowScope().get("parentCredential", Credential.class);
    }
Gets multifactor authentication parent credential.

@param requestContext the request context
@return the multifactor authentication parent credential
core/cas-server-core-webflow-mfa-api/src/main/java/org/apereo/cas/web/flow/util/MultifactorAuthenticationWebflowUtils.java