//download.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<div class="block">Performs the operation - which may be involved multiple times if the connection
 to ZooKeeper closes during this operation</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the result of the operation or null</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>org.apache.zookeeper.KeeperException</code></dd>
<