<div class="group-messaging"
    data-create-thread-url="{% url create_thread %}"
    data-get-threads-url="{% url get_threads %}"
    data-reply-url="{% url post_reply %}"
>
    <div class="first-col">
        <button class="submit compose">{% trans %}compose{% endtrans %}</button>
        {% include "group_messaging/senders_list.html" %}
    </div>
    <div class="second-col">
        <div><div>{# need two nested divs to match dom of ThreadContainer #}
        {% include "group_messaging/thread_details.html" %}
        </div></div>
    </div>
    <div class="clear-fix"></div>
</div>
