anchor.diff:              [{set, dynamic_config_version, [2, 0]} |
                upgrade_config_from_pre_2_0_to_2_0(Config)];
           {value, FinalVersion} ->
  -            [];
  -        {value, [2, 0]} ->
  -            [{set, dynamic_config_version, [2, 2]} |
  -             upgrade_config_from_2_0_to_2_2(Config)]
  +            []
       end.
   
   upgrade_config_on_join_from_pre_2_0_to_2_0(Config) ->
  
positive.code:     ?log_info("Performing online config upgrade to 2.0 version"),
      maybe_add_buckets_uuids(Config).
  
  upgrade_config_from_2_0_to_2_2(Config) ->
      ?log_info("Performing online config upgrade to 2.2 version"),
      upgrade_xdcr_settings(Config).
  
  maybe_add_vbucket_map_history(Config) ->
      maybe_add_vbucket_map_history(Config, ?VBMAP_HISTORY_SIZE).
  
negative.code:             Bucket
      end.
  
  
  -ifdef(EUNIT).
  
  