anchor.diff:  %% @end
   %%-------------------------------------------------------------------------
   
  --spec services_restart(L :: list(service_id()), 
  +-spec services_restart(L :: nonempty_list(service_id()), 
                          Timeout :: api_timeout_milliseconds()) ->
       ok |
       {error,
  
positive.code: %% @end
  %%-------------------------------------------------------------------------
  
  -spec services_add(L :: list(#internal{} | #external{} | service_proplist()),
                     Timeout :: api_timeout_milliseconds()) ->
      {ok, list(service_id())} |
      {error,
  
negative.code: %% @end
  %%-------------------------------------------------------------------------
  
  -spec nodes_remove(L :: nonempty_list(node()),
                     Timeout :: api_timeout_milliseconds()) ->
      ok |
      {error,
  