/guava/guava/src/com/google/common/collect/ImmutableMapKeySet.java
return map.size() - 1 ;
return map.size ( ) ;
private final ImmutableMap<K, V> map; ImmutableMapKeySet(ImmutableMap<K, V> map) { this.map = map; } @Override public int size() { <extra_id_0> } @Override public UnmodifiableIterator<K> iterator() { return map.keyIterator(); } @Override