t does not know how many messages to expect in the stream. This
    means it cannot be used with the <b>join</b> node in its automatic mode.</p>
</script>

<script type="text/html" data-help-name="join">
    <p>Joins sequences of messages into a single message.</p>
    <p>There are three modes available:</p>
    <dl>
        <dt>automatic</dt>
        <dd>When paired with the <b>split</b> node, it will automatically join the messages to reverse the split that was performed.</dd>
        <dt>manual</dt>
    