1using System.Collections;
 2
 3namespace jive
 4{
 5  public interface Key<T>
 6  {
 7    bool is_found_in(IDictionary items);
 8    T parse_from(IDictionary items);
 9    void remove_from(IDictionary items);
10    void add_value_to(IDictionary items, T value);
11  }
12}