anchor.diff:    server_info/0,
     create_db/1,
     save/2,
  +  save/3,
     get/2,
     get/3,
     all/1,
  
positive.code:   case couchbeam:put_attachment(DB, Ref, Name, Attachment, Options) of
      {ok, Result} -> {reply, {ok, Result}, State2};
      Error -> {reply, {error, Error}, State2}
    end;
  
  %%--------------------------------------------------------------------
  
negative.code:   stream/3,
    attach/4,
    fetch_attachment/3,
    drop_attachment/3,
    stream_attach/2,
    stream_attach_done/1]).
  
  %% gen_server callbacks
  -export([init/1,
  