xternal-link">IllegalArgumentException</a></code> - if the region is null</dd>
</dl>
</div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="region()">
<h3>region</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="Region.html" title="class i