/guava/guava/src/com/google/common/collect/AbstractMapBasedMultimap.java
return wrapCollection( key, collection) ;map.put( key, collection) ;
map.put ( key, collection ) ;
} } private Collection<V> getOrCreateCollection(@ParametricNullness K key) { Collection<V> collection = map.get(key); if (collection == null) { collection = createCollection(key); <extra_id_0> } return collection; } @Override public Collection<V> replaceValues(@ParametricNullness K key, Iterable<? extends V> values) { Iterator<? extends V> iterator = values.iterator();