ing()</a></code> to completion is recommended (but not required) to execute at EOL of any <a class="el" href="classipc_1_1transport_1_1struc_1_1Channel.html" title="Owning and wrapping a pre-connected transport::Channel peer (an endpoint of an established channel ov...">struc::Channel</a>. The "blocking" part is good because it's convenient to not have to worry about handling completion with async semantics boiler-plate. The "timeout" part is good because it's a best-effort operation, when in a bad/slow env