anchor.diff:  
   %% supervisor callbacks
   -export([init/1]).
  -
  -%% The bulk_get implementation relies on hard-coded prepared queries for 1, 2, ..., N for a
  -%% batch size of N. For now, we just ensure that we don't configure something too large by
  -%% accident.
  --define(MAX_BULK_GET_SIZE, 5).
   
   %% @spec start_link() -> ServerRet
   %% @doc API for starting the supervisor.
  
positive.code:     %% and if that time comes, this will probably fail.
      [{ServerName, ServerVersion, _, _}] = release_handler:which_releases(permanent),
  
      Defaults = [{batch_size, get_env(oc_chef_wm, bulk_fetch_batch_size)},
                  {auth_skew, get_env(oc_chef_wm, auth_skew)},
                  {db_type, get_env(sqerl, db_type)},
                  {reqid_header_name, get_env(oc_chef_wm, reqid_header_name)},
  
  
negative.code:     end,
      ok.
  
  add_custom_settings(Dispatch) ->
      Dispatch1 = add_resource_init(Dispatch),
      case application:get_env(oc_chef_wm, request_tracing) of
  