code: public ItemRequest<User> findById(String user) {
      
          String path = String.format("/users/%s", user);
          return new ItemRequest<User>(this, User.class, path, "GET");
      }
docs: Returns the full user record for the single user with the provided ID.
  
  @param  user An identifier for the user. Can be one of an email address,
  the globally unique identifier for the user, or the keyword `me`
  to indicate the current user making the request.
  @return Request object