getOrderStateCompletedPlainTemplateEn example

$this->getOrderStateProgressPlainTemplateEn(),
            $this->getOrderStateProgressHTMLTemplateDe(),
            $this->getOrderStateProgressPlainTemplateDe()
        );

        $this->updateMailTemplate(
            MailTemplateTypes::MAILTYPE_STATE_ENTER_ORDER_STATE_COMPLETED,
            $connection,
            $defaultLangId,
            $deLangId,
            $this->getOrderStateCompletedHtmlTemplateEn(),
            $this->getOrderStateCompletedPlainTemplateEn(),
            $this->getOrderStateCompletedHTMLTemplateDe(),
            $this->getOrderStateCompletedPlainTemplateDe()
        );

        // update payment email template         $this->updateMailTemplate(
            MailTemplateTypes::MAILTYPE_STATE_ENTER_ORDER_TRANSACTION_STATE_REFUNDED_PARTIALLY,
            $connection,
            $defaultLangId,
            $deLangId,
            $this->getPaymentRefundPartiallyHtmlTemplateEn(),
            

$this->getOrderStateProgressPlainTemplateEn(),
            $this->getOrderStateProgressHTMLTemplateDe(),
            $this->getOrderStateProgressPlainTemplateDe()
        );

        $this->updateMailTemplate(
            MailTemplateTypes::MAILTYPE_STATE_ENTER_ORDER_STATE_COMPLETED,
            $connection,
            $defaultLangId,
            $deLangId,
            $this->getOrderStateCompletedHtmlTemplateEn(),
            $this->getOrderStateCompletedPlainTemplateEn(),
            $this->getOrderStateCompletedHTMLTemplateDe(),
            $this->getOrderStateCompletedPlainTemplateDe()
        );

        // update payment email template         $this->updateMailTemplate(
            MailTemplateTypes::MAILTYPE_STATE_ENTER_ORDER_TRANSACTION_STATE_REFUNDED_PARTIALLY,
            $connection,
            $defaultLangId,
            $deLangId,
            $this->getPaymentRefundPartiallyHtmlTemplateEn(),