anchor.diff:  
   ## Collections
   
  +### UsersWithoutPasswordCollection (array)
  ++ 0: (UserWithoutPassword0)
  ++ 1: (UserWithoutPassword1)
  ++ 2: (UserWithoutPassword2)
  +
   ### DeckCollection (array)
   + 0: (Deck0)
   + 1: (Deck1)
  
positive.code: 
  + Response 200
  
  # Group Tip
  
  ## Tips [/decks/{deckId}/flashcards/{flashcardId}/tips]
  
negative.code: + public: `true` (boolean, required) - status of Deck access rights
  
  ### FlashcardWithoutId (object)
  + question: `Sample question` (string, required) - question attribute for Flashcard
  + answer: `Sample answer` (string, required) - answer attribute for Flashcard
  
  ### Flashcard (FlashcardWithoutId)
  + id: `12345678-9012-3456-7890-123456789012` (string, required) - Flashcard UUID, 36 chars, 8-4-4-4-12 chars
  