<wpml-config>
    <admin-texts>
        <key name="woocommerce_yith_waitlist_mail_instock_settings">
            <key name="heading" />
            <key name="subject" />
            <key name="mail_content" />
        </key>
        <key name="yith-wcwtl-form-message" />
        <key name="yith-wcwtl-button-add-label" />
        <key name="yith-wcwtl-button-leave-label" />
        <key name="yith-wcwtl-button-success-msg" />
    </admin-texts>
</wpml-config>