我想转换ImmutableListMultimaptoMap>。我曾经以非流方式进行以下操作voidconvertMultiMaptoList(ImmutableListMultimapreverseImmutableMultiMap){Map>result=newTreeMap();for(Map.Entryentry:reverseImmutableMultiMap.entries()){Stringkey=entry.getKey();Charactert=entry.getValue();result.computeIfAbsent(key,x->newArrayList()).add