1using System.Collections.Generic;
 2
 3namespace solidware.financials.service.orm
 4{
 5    public interface IdentityMap<TKey, TValue>
 6    {
 7        IEnumerable<TValue> all();
 8        void add(TKey key, TValue value);
 9        void update_the_item_for(TKey key, TValue new_value);
10        bool contains_an_item_for(TKey key);
11        TValue item_that_belongs_to(TKey key);
12        void evict(TKey key);
13    }
14}