/guava/android/guava/src/com/google/common/collect/HashBiMap.java
unsafeNull( ) ;
updateIndex ( ) ;
public V getKey() { return value; } @Override @ParametricNullness public K getValue() { <extra_id_0> return (index == ABSENT) ? unsafeNull() : uncheckedCastNullableTToT(biMap.keys[index]); } @Override @ParametricNullness public K setValue(@ParametricNullness K key) { updateIndex();