public static PetDTO FromPetRequest(CreatePetRequest item) =>
 new PetDTO()
 {
     AnimalId   = item.AnimalId,
     EmployeeId = item.EmployeeId,
     Name       = item.Name
 };
 public static ICollection <PetDTO> FromPetRequest(ICollection <CreatePetRequest> items) =>
 items.Select(x => CreatePetRequest.FromPetRequest(x)).ToList();