anchor.diff:                  {init_gossip_task, 3}, % test via feeder
                   {cb_init, 2}, % spec to wide (Args)
                   {cb_select_data, 2}, % would need valid callback state
  -                {cb_select_reply_data, 7}, % would need valid callback state
  -                {cb_integrate_data, 6}, % would need valid callback state
  +                {cb_select_reply_data, 6}, % would need valid callback state
  +                {cb_integrate_data, 5}, % would need valid callback state
                   {cb_handle_msg, 3}, % spec to wide (Msg)
                   {cb_get_values_best, 2}, % would need valid callback state
                   {cb_get_values_all, 2}, % would need valid callback state
  
positive.code:                {init_histo, 3}, % needs DHTNodeState state
                 {merge_histo, 2}, % tested via feeder
                 {merge_bucket, 2}, % tested via feeder
                 {integrate_data_init, 3}, % sends messages
                 {request_node_details, 1} % sends messages
              ]}
          ],
  
negative.code:             % excluded (exported functions)
              [  {handle_msg, 2}, % would need valid dht_node_state, sends messages
                 {select_data, 1}, % sends messages
                 {select_reply_data, 4}, % sends messages
                 {integrate_data, 3}, % sends messages
                 {request_histogram, 2} % tested via feeder
              ],
              % excluded (private functions)
  