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040000 tree 4f1f6c359bb05332d62dc37d16b7c50baa96316d	api_ext
040000 tree 0fbef1964529c17360c32c82da4385eb0fb4290c	devices
040000 tree b17bc22c458d2099d60abad6c027de4aae5a5ccc	memory_region