/guava/guava/src/com/google/common/collect/AbstractBiMap.java
removeFromInverseMap ( uncheckedCastNullableTToT ( oldValue ) ) ;
private void updateInverseMap( @ParametricNullness K key, boolean containedKey, @CheckForNull V oldValue, @ParametricNullness V newValue) { if (containedKey) { <extra_id_0> } inverse.delegate.put(newValue, key); } @CanIgnoreReturnValue @Override @CheckForNull