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040000 tree ef76f34eeb48599821d453b81ba91a28d45837b4	compress
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040000 tree e18b61f272ed5084547dc79a1073706588eabf23	encoding
040000 tree 21b669fdf7daaa6ee52a7e5b763e37c1170db2f3	file
040000 tree d3215b306e09664753036c8b8db5bd6335a67226	read
040000 tree 6d3b11d0feb049acc086d10a44d6e0b255a5b467	utils
040000 tree 653d97aff6689400a0e6cfb23a0797a724ba9f3d	write