defined(MQTTPROPERTIES_H)</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="preprocessor">#define MQTTPROPERTIES_H</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="preprocessor">#include &quot;MQTTExportDeclarations.h&quot;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class