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040000 tree 8e88cac5a95e343d0cd20237e5c3469b54df1e11	internal
040000 tree ef4f6853d41e7e16ae59c33593617fd7333c29e5	model
040000 tree 17e27b0117180138fd24648e9b3727f63bb7c766	operations
040000 tree cbf86d3dfc02a5610be4018948cc7bb53b022224	ui
040000 tree 2bbbda8e88db615f591a154edc5b9e48df15d3eb	util