@SuppressWarnings("unchecked")
  public static <K, V> ImmutableSetMultimap<K, V> of() {
    return (ImmutableSetMultimap<K, V>) EmptyImmutableSetMultimap.INSTANCE;
  }
@SuppressWarnings("unchecked")
  public static <K, V> ImmutableSetMultimap<K, V> of() {
    return (ImmutableSetMultimap<K, V>) EmptyImmutableSetMultimap.INSTANCE;
  }
@ SuppressWarnings ( "unchecked" ) public static < K , V > ImmutableSetMultimap < K , V > of ( ) { return ( ImmutableSetMultimap < K , V > ) EmptyImmutableSetMultimap . INSTANCE ; }
Casting is safe because the multimap will never hold any elements.
Casting is safe because the multimap will never hold any elements .