040000 tree d5a5b7e33d6c7b49b2841d3936743d7059f9f856	gflags
040000 tree 288fd505b6c802d7e5255ea1ffba73c26672ea8e	gtest-parallel
040000 tree fde07d89d1ed32d19ba8cca6a69e27a1cf9e8870	winsdk_samples