 189</span><span class="comment">/**</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment"> * A documentation-only *concept*: what transport::Blob_receiver is to transport::Native_handle_receiver (namely a</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment"> * degenerate version thereof), this is to sync_io::Native_handle_receiver.</span></div>
<div class="line"><a id="l00192" 