code: public boolean createEphemeralNode(String path, String value) throws ZooKeeperException {
          return _create(path, value != null ? value.getBytes(UTF8) : null, CreateMode.EPHEMERAL);
      }
docs: Creates an ephemeral node, with initial values.
  
  <p>
  Note: nodes are created recursively (parent nodes are created if needed).
  </p>
  
  @param path
  @param value
  @return
  @since 0.4.1
  @throws ZooKeeperException