>)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Returns</strong></span>: The value of the upstream argument provided to the constructor of this object. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a class="link" href="pool_options.html" title="Struct pool_options">pool_options</a> <a name="idp39421216-bb"></a><span class="identifier">options</span><span class="special">(</span><span class="special">)</span> <span class="keyword">