code: func NewNodeCmd(subCmd NodeSubCmd, target string, connectSubCmd *string) *NodeCmd {
  	return &NodeCmd{
  		SubCmd:        subCmd,
  		Target:        target,
  		ConnectSubCmd: connectSubCmd,
  	}
  }
docs: // NewNodeCmd returns a new instance which can be used to issue a `node`
  // JSON-RPC command.
  //
  // The parameters which are pointers indicate they are optional.  Passing nil
  // for optional parameters will use the default value.