040000 tree 0b26e2960f3d75fde013cf208fa11c582c53584b	additional_params
040000 tree 4637f8db3bd450c80c7fe82e3aafd455fe61c101	multiple_outputs
040000 tree 833fe131ff2ace213632116734f5a9377b0d0034	one_output
040000 tree 517590c111753542574862a17782eb9729941207	zero_outputs