 Description</th>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/tools/ant/taskdefs/optional/unix/Chgrp.html#checkConfiguration()">checkConfiguration</a></strong>()</code>
<div class="block">Ensure that all the required arguments and other conditions have
 been set.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../..