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040000 tree 4f1f6c359bb05332d62dc37d16b7c50baa96316d	api_ext
040000 tree a1dfdc6a5c52e5ab880d9737a413cf6819c663ed	devices
040000 tree b17bc22c458d2099d60abad6c027de4aae5a5ccc	memory_region