comment"> *        Object to serialize.</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment"> * @return `os`.</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment"> */</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>std::ostream&amp; <a class="code hl_function" href="namespaceipc_1_1util.html#a28030c32e9c66f5c2862cbc6998885c7">ope