anchor.diff:  prepare(State=#state{bucket=Bucket,
                        key=Key,
                        block_size=BlockSize,
  +                     uuid=UUID,
                        content_length=ContentLength,
                        content_type=ContentType,
                        metadata=Metadata,
  
positive.code:     TRef = erlang:send_after(60000, self(), save_manifest),
      ok = maybe_add_new_manifest(ManiPid, NewManifest),
      State#state{manifest=NewManifest,
                  uuid=UUID,
                  md5=Md5,
                  timer_ref=TRef,
                  mani_pid=ManiPid,
  
negative.code:                  end,
      FreeWriters = ordsets:from_list(WriterPids),
      MaxBufferSize = (riak_cs_lfs_utils:put_fsm_buffer_size_factor() * BlockSize),
  
      %% for now, always populate cluster_id
      ClusterID = riak_cs_utils:get_cluster_id(RiakPid),
  