public function init() {
        add_action('wp_enqueue_scripts', function () {
            wp_enqueue_script(
                Checkout::AMAZON_CHECKOUT_JS_SLUG,
                $this->module->getActingOpts()['amzjsurl'] . '/checkout.js',
                [],
                WCEXAAP_VERSION,
                false
            );

            $semantic = new Semantic();
            $semantic->loadButtonCss();
            $semantic->loadMessageCss();
            $this->loadAddressErrorMessageBoxCss();
        });
    }