anchor.diff:                                    {error, term()}.
   delete_sandbox(SandboxId) when is_binary(SandboxId) ->
       delete_object(delete_sandbox_by_id, SandboxId).
  -
   
   %% Checksum Operations
   
  
positive.code:                                                org_id=OrgId,
                                                 name=Name}) ->
      case delete_checksums(OrgId, CookbookVersionId) of
          {ok, 1 } ->
              case delete_object(delete_cookbook_version_by_id, CookbookVersionId) of
                  {ok, 1} ->
                      case delete_cookbook_if_last(OrgId, Name) of
                          {ok, N} ->
                              {ok, N + 1};
                          Error = {error, _} ->
                              Error
                      end;
  
negative.code: 
  -export([fetch_user/1,
           %% checksum ops
           checksum_exists/1,
           mark_checksums_as_uploaded/2,
           non_uploaded_checksums/2,
  
  