Class com.google.common.collect.Multimaps

Added Methods
(Collector<T, ?, M>) flatteningToMultimap(Function<?, super, T, ?, extends, K>, Function<?, super, T, ?, extends, Stream<?, extends, V>>, Supplier<M>)	Returns a {@code Collector} accumulating entries into a {@code Multimap} generated from the specified supplier.
(Collector<T, ?, M>) toMultimap(Function<?, super, T, ?, extends, K>, Function<?, super, T, ?, extends, V>, Supplier<M>)	Returns a {@code Collector} accumulating entries into a {@code Multimap} generated from the specified supplier.