title="The basic String class." href="../../../../String.html">String</a>,</span> <span style="white-space:nowrap">?cb:<span class="type">EmptyResponseCallback</span></span>):<a class="type" title="The standard Void type." href="../../../../Void.html">Void</a></code></h3><div class="doc"><p>Edit or Create a channel's overwrite permissions;</p><p class="javadoc">Parameters:</p><table class="table table-bordered params"><tr><th style="width:25%;"><code>perm</code></th><td><ul><li>The modified overwrite permis