-1 :  max_i + 1 &lt; min_{i+1}.
Note that we check at validation that a variable domain is small enough so
that we don't run into integer overflow in our algorithms. Because of that,
you cannot just have "unbounded" variable like [0, kint64max] and should
try to specify tighter domains.
</li>
</ul>
</pre><pre><code>repeated int64 domain = 2;</code>
<dl class="section return"><dt>Returns</dt><dd>A list containing the domain.
</dd></dl>
</pre>
<p>Implements <a class="el" href="interfacecom_1_1google_1_1ortool