/guava/guava/src/com/google/common/collect/Multimaps.java
this.multimap = multimap;this.multimap = checkNotNull( multimap) ;
this.multimap = checkNotNull ( multimap ) ;
} } static final class AsMap<K extends @Nullable Object, V extends @Nullable Object> extends Maps.ViewCachingAbstractMap<K, Collection<V>> { @Weak private final Multimap<K, V> multimap; AsMap(Multimap<K, V> multimap) { <extra_id_0> } @Override public int size() { return multimap.keySet().size(); } @Override