public ZooKeeperResult <Stat> Exists(string path, IWatcher watcher = null) { LogExists(path, watcher); return(ExecuteOperation( path, () => { var builder = Curator.checkExists(); if (watcher != null) { builder = (ExistsBuilder)builder.usingWatcher(WrapWatcher(watcher)); } var zkStat = (org.apache.zookeeper.data.Stat)builder.forPath(path); return zkStat == null ? null : new Stat(zkStat); })); }