anchor.diff:      end,
       plumtree_metadata:put(?DB, {Node, App, Key}, Rec),
       ets:insert(?TABLE, {{App, Key}, Val}),
  +    application:set_env(App, Key, Val),
       ok;
   set_env(Node, App, Key, Val, Durable) ->
       safe_rpc(Node, ?MODULE, set_env, [App, Key, Val, Durable]).
  
positive.code: 
  set_global_env(App, Key, Val, false) ->
      ets:insert(?TABLE, {{App, Key}, Val}),
      ok;
  set_global_env(App, Key, Val, true) ->
      Rec =
  
negative.code:     end,
      plumtree_metadata:put(?DB, {App, Key}, Rec),
      ets:insert(?TABLE, {{App, Key}, Val}),
      application:set_env(App, Key, Val),
      ok.
  
  
  