/guava/guava/src/com/google/common/collect/AbstractBiMap.java
delegate = backward;this.delegate = delegate;
this.delegate = delegate;
Set<Entry<K, V>> result = entrySet; return (result == null) ? entrySet = new EntrySet() : result; } class BiMapEntry extends ForwardingMapEntry<K, V> { private final Entry<K, V> delegate; BiMapEntry(Entry<K, V> delegate) { <extra_id_0> } @Override protected Entry<K, V> delegate() { return delegate; } @Override