/guava/guava/src/com/google/common/collect/Multimaps.java
this.delegate = checkNotNull( null) ;
this.delegate = checkNotNull ( delegate ) ;
@LazyInit @CheckForNull transient Collection<Entry<K, V>> entries; @LazyInit @CheckForNull transient Multiset<K> keys; @LazyInit @CheckForNull transient Set<K> keySet; @LazyInit @CheckForNull transient Collection<V> values; @LazyInit @CheckForNull transient Map<K, Collection<V>> map; UnmodifiableMultimap(final Multimap<K, V> delegate) { <extra_id_0> } @Override protected Multimap<K, V> delegate() { return delegate; } @Override