anchor.diff:    put_opts :: put_options(),
     del_opts :: delete_options()
   }).
  +
   -type state() :: #state{}.
   
   %%%=============================================================================
  
positive.code:   FieldValue.
  
  %% @private
  sleep_custom(FieldValue, term) ->
    base64:encode(term_to_binary(FieldValue));
  sleep_custom(FieldValue, _) ->
    FieldValue.
  
  %% @private
  wakeup(Doc) ->
  
negative.code: %% put_opts: Riak write options parameters.
  %% del_opts: Riak delete options parameters.
  %% <a href="http://docs.basho.com/riak/latest/dev/using/basics">Reference</a>.
  %% @end
  -record(state, {
    conn     :: connection(),
    bucket   :: binary() | {binary(), binary()},
  