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040000 tree 600ee34da752e669d8767a7b6f678c9195c25725	collectors
040000 tree 4a886fc3ec626e7a3f5f34c3aa68e5e6659c8b99	connectors
040000 tree fbacf79b9b45665883894e13a52ef0846efffcf8	file
040000 tree 3943c9e1f0e48b08a84dcaff442aa0ceb903282e	group
040000 tree 2de9f30b778c479455079956090ff90c4c798437	join
040000 tree 6a827ceeb0b5d2dc8102cc6d08697cd1a5918f00	map
040000 tree 2656245970cac45ce7d9e48cbd5b3f92b53384ad	misc
040000 tree cd259e92471c346d20bfb3c224d201d9caabdd69	sort
040000 tree 8554266c5e1a9ff2d0b8504dd4253d2246569454	structures
040000 tree 8e596811397876a3a1d05320761ba565c5bc3bdc	union
040000 tree bd2a787f5410255fd17611bebf20028e48b68a33	util