public void setTemplateContent(EmailTemplateContent templateContent) {
        this.templateContent = templateContent;
    }
<p>
The content of the email template, composed of a subject line, an HTML part, and a text-only part.
</p>

@param templateContent
       The content of the email template, composed of a subject line, an HTML part, and a text-only part.
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/UpdateEmailTemplateRequest.java