anchor.diff:      end.
   
   get_by_email(Email) ->
  -    Item = em_storage:find_one(users, #{email => Email}, [{projector, #{'_id' => false}}]),
  +    Item = em_storage:find_one(users, #{email => Email}, [{projector, #{'_id' => false, password => false, hashPassword => false, lastUpdate => false}}]),
       case (maps:size(Item) =/= 0) of
         true ->
   	Item;
  
positive.code: 
  
  get_all() ->
      em_storage:find(users, #{}, [{projector, #{'_id' => false}}]).
  
negative.code:     end.
  
  get(Email, HashPassword) ->
      Item = em_storage:find_one(users, #{email => Email, hashPassword => HashPassword}, [{projector, #{'_id' => false, password => false, hashPassword => false, lastUpdate => false}}]),
      case (maps:size(Item) =/= 0) of
        true ->
  	Item;
  