-ifndef(SIGN). -define(SIGN, true). -record(sign, { guid = [] :: binary(), pid = [] :: binary(), fileName = [] :: binary(), docId = [] :: binary(), action = [] :: atom(), status = [] :: atom(), length = 0 :: integer(), signature = [] :: binary(), time = [] :: tuple(), offset = 0 :: integer(), size = [] :: integer(), tab = [] :: binary(), retryCount = 0 :: integer(), certificate = [] :: [] | tuple() }). -endif.