anchor.diff:      {ok, StorageIds} = space_logic:get_local_storage_ids(SpaceId),
       StorageId = hd(StorageIds),
       storage_logic:revoke_support(StorageId, SpaceId).
  -
  -
  --spec storage_set_qos_parameters(od_storage:id(), od_storage:qos_parameters()) ->
  -    ok | errors:error().
  -storage_set_qos_parameters(StorageId, QosParameters) ->
  -    storage_logic:set_qos_parameters(StorageId, QosParameters).
  -
   
   -spec get_spaces() -> {ok, [od_space:id()]} | errors:error().
   get_spaces() ->
  
positive.code:     storage_config:set_luma_config(StorageId, LumaConfig).
  
  
  -spec storage_update_luma_config(od_storage:id(), Changes) -> ok | {error, term()}
      when Changes :: #{url => luma_config:url(), api_key => luma_config:api_key()}.
  storage_update_luma_config(StorageId, Changes) ->
  
negative.code: storage_describe(StorageId) ->
      storage_logic:describe(StorageId).
  
  -spec storage_is_mounted_in_root(od_storage:id()) -> boolean().
  storage_is_mounted_in_root(StorageId) ->
      storage_config:is_mounted_in_root(StorageId).
  
  -spec invalidate_luma_cache(od_storage:id()) -> ok.
  invalidate_luma_cache(StorageId) ->
      luma_cache:invalidate(StorageId).
  
  
  -spec new_helper(helper:name(), helper:args(), helper:user_ctx(), Insecure :: boolean(),
      helper:storage_path_type()) -> {ok, helpers:helper()}.
  new_helper(HelperName, Args, AdminCtx, Insecure, StoragePathType) ->
      helper:new_helper(HelperName, Args, AdminCtx, Insecure, StoragePathType).
  
  
  -spec new_luma_config(luma_config:url(), luma_config:api_key()) ->
      luma_config:config().
  new_luma_config(URL, ApiKey) ->
      luma_config:new(URL, ApiKey).
  
  
  -spec verify_storage_on_all_nodes(helpers:helper()) ->
      ok | {error, term()} | {error, term(), Stacktrace :: list()}.
  verify_storage_on_all_nodes(Helper) ->
      storage_detector:verify_storage_on_all_nodes(Helper).
  
  
  -spec prepare_helper_args(helper:name(), helper:args()) -> helper:args().
  prepare_helper_args(HelperName, Params) ->
      helper_params:prepare_helper_args(HelperName, Params).
  
  
  -spec prepare_user_ctx_params(helper:name(), helper:user_ctx()) -> helper:user_ctx().
  prepare_user_ctx_params(HelperName, Params) ->
      helper_params:prepare_user_ctx_params(HelperName, Params).
  
  
  -spec space_logic_get_storage_ids(od_space:id()) -> {ok, [od_storage:id()]}.
  space_logic_get_storage_ids(SpaceId) ->
      space_logic:get_local_storage_ids(SpaceId).
  
  
  -spec file_popularity_api_configure(file_popularity_config:id(), map()) ->
  