an>, <span class="hljs-comment">// exchange</span>
                <span class="hljs-string">&quot;&quot;</span>,     <span class="hljs-comment">// routing key</span>
                <span class="hljs-literal">false</span>,  <span class="hljs-comment">// mandatory</span>
                <span class="hljs-literal">false</span>,  <span class="hljs-comment">// immediate</span>
                amqp.Publishing{
                        ContentType: <span class="hljs-string">&quot;text/plain&quot;</span>,
        