ine two encodings, note it should be guaranteed by the caller that the number of unique multiplied does not
 overflow Integer.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>e</code> - The other side to combine with</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The combined encoding</dd>
</dl>
</li>
</ul>
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