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040000 tree 5f2644123473678eac881ff9e1302cbfac4809cc	api_ext
040000 tree 40bee65cc2d96d2d0a43df5b44921d370c68fda1	devices
040000 tree f6f75e4bc0614b21b5f2925be027f6336d3ed7fe	memory_region