namespace Backpack
{
    public interface IBackpackItem
    {
        public int Id { get; }
        public string Name { get; }
        public string Description { get; }
        public ItemType ItemType { get; }
        public int Count { get; }
        public int MaxCount { get; }
        bool Equals(IBackpackItem other);
    }

    public class ItemType
    {
    }
}