anchor.diff:  %% @doc Generate a key for storing a set of manifests for deletion.
   -spec timestamp() -> non_neg_integer().
   timestamp() ->
  -    riak_cs_utils:second_resolution_timestamp(os:timestamp()).
  +    timestamp(os:timestamp()).
  +
  +timestamp(ErlangTime) ->
  +    riak_cs_utils:second_resolution_timestamp(ErlangTime).
   
   %%%===================================================================
   %%% Internal functions
  
positive.code: %% garbage collection bucket.
  -spec generate_key(boolean()) -> binary().
  generate_key(AddLeewayP) ->
      list_to_binary(
        integer_to_list(
          timestamp() + if not AddLeewayP -> 0;
                           true           -> leeway_seconds()
                        end)).
  
  %% @doc Given a list of riakc_obj-flavored object (with potentially
  %%      many siblings and perhaps a tombstone), decode and merge them.
  
negative.code: 
  %% export for repl debugging and testing
  -export([get_active_manifests/3]).
  
  -define(GC_KEY_SUFFIX_MAX, 1000).
  
  %%%===================================================================
  %%% Public API
  