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Java > Open Source Codes > polyglot > ext > coffer > types > KeySet


1 package polyglot.ext.coffer.types;
2
3 import polyglot.ast.*;
4 import polyglot.types.*;
5 import polyglot.visit.*;
6 import polyglot.util.*;
7
8 import java.util.*;
9
10 public interface KeySet extends TypeObject
11 {
12     int size();
13     Iterator iterator();
14     boolean contains(Key key);
15     KeySet add(Key key);
16     KeySet remove(Key key);
17     boolean containsAll(KeySet keys);
18     KeySet addAll(KeySet keys);
19     KeySet removeAll(KeySet keys);
20     KeySet retainAll(KeySet keys);
21     boolean isEmpty();
22 }
23
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