@Override
    protected Event doExecuteInternal(final RequestContext requestContext) {
        return FunctionUtils.doUnchecked(() -> yubikeyAuthenticationWebflowEventResolver.resolveSingle(requestContext));
    }
This is {@link YubiKeyAuthenticationWebflowAction}.

@author Misagh Moayyed
@since 5.0.0
support/cas-server-support-yubikey-core/src/main/java/org/apereo/cas/adaptors/yubikey/web/flow/YubiKeyAuthenticationWebflowAction.java