040000 tree 5a09b3675a182a5fb45bdd847682a6c0c31af0f4	common
040000 tree 9e7ba5f4fe46421bfa36dc437eabb4e281b4a9c7	infrastructure
040000 tree 51ecdfc371a1e42670e01d6153b362b4530780f7	spark
040000 tree 3dc3b1bad8b18b31d490390a5f32af387f1a8f11	support