040000 tree cfc96a65704ad754de4898b2b733c9ffaa0496a4	scala_streamlet_with_filter_and_transform
040000 tree e297d8ff6be54071955e7c83f1ca025b8f679969	scala_streamlet_with_map_and_filter_and_union
040000 tree 5d5a8a6d39f3f1730fd5299acb79fd63c28a40ac	scala_streamlet_with_map_and_flatmap_and_filter_and_clone
040000 tree 488835f20a29f7ac31361cbc55c3739a120b5ac2	scala_streamlet_with_split_and_with_stream