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040000 tree 950cfcb370e8eecb2e1987c61e9b6616616cfe5f	darwin
040000 tree ac88ed5c833aa02eb799522744dfb8bba1f029a8	fuchsia
040000 tree d4424b4cc4c2805ebdb3f831c4309f056b6b2c58	linux
040000 tree cb7323b357b5edff53166be44a2d64e6a0212bba	posix
040000 tree 1a3d81fae4ee036cd5515391d2e8aa010094ac22	qnx
040000 tree 3f1b2646191897441fe01cdd3708b6e96612cd95	win