@Override
    public String toString() {
      return this.getClass().getSimpleName() + ", path=" + this.path;
    }
Represents an action taken by ZKUtil, e.g. createAndFailSilent. These actions are higher-level
than ZKOp actions, which represent individual actions in the ZooKeeper API, like create.
hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java