l#protocol--">protocol</a></span>()</code>
<div class="block">Returns the HTTP protocol, such as <a href="../../../../com/lark/oapi/okhttp/Protocol.html#HTTP_1_1"><code>Protocol.HTTP_1_1</code></a> or <a href="../../../../com/lark/oapi/okhttp/Protocol.html#HTTP_1_0"><code>Protocol.HTTP_1_0</code></a>.</div>
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</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/lark/oapi/okhttp/Response.html#recei