anchor.diff:      include_doc,
       collect_changes,
       changes_feed_callback,
  -    heartbeat_collect_change
  +    heartbeat_collect_change,
  +    multiple_put
     ].
   
   init_per_suite(Config) ->
  
positive.code:   receive
      {change, Change} ->
        collect_changes(I-1, queue:in(Change, Q))
    end.
negative.code:   include_doc/1,
    collect_changes/1,
    changes_feed_callback/1,
    heartbeat_collect_change/1,
    multiple_put/1
  ]).
  
  -export([
  