/guava/guava/src/com/google/common/collect/LinkedListMultimap.java
keyValues.set( ) ;
keyValues.remove ( ) ;
while (keyValues.hasNext() && newValues.hasNext()) { keyValues.next(); keyValues.set(newValues.next()); } while (keyValues.hasNext()) { keyValues.next(); <extra_id_0> } while (newValues.hasNext()) { keyValues.add(newValues.next()); } return oldValues; }