anchor.diff:      clique:register_command(Cmd, [], [], Callback).
   
   vmq_cluster_leave_cmd() ->
  -    Cmd = ["vmq-admin", "node", "leave"],
  +    Cmd = ["vmq-admin", "cluster", "leave"],
       KeySpecs = [{node, [{typecast, fun clique_typecast:to_node/1}]}],
       FlagSpecs = [],
       Callback = fun([], _) ->
  
positive.code:     ["vmq-admin <sub-command>\n\n",
       "  administrate the cluster.\n\n",
       "  Sub-commands:\n",
       "    node        Manage the cluster node\n",
       "    session     Retrieve session information\n",
       "    config      Manage the internal configuration store\n",
       "    plugin      Manage plugin system\n",
  
negative.code: 
  
  vmq_cluster_join_cmd() ->
      Cmd = ["vmq-admin", "cluster", "join"],
      KeySpecs = [{'discovery-node', [{typecast, fun(Node) ->
                                                         list_to_atom(Node)
                                                 end}]}],
  