040000 tree 2f660ed238cca843339114c922968910853089c4	additional_params
040000 tree bb5014293bbf274f9c0455b1689e345456b35197	multiple_outputs
040000 tree 77900aff67d8b86e6dbb56de2a21c90066e26a7a	one_output
040000 tree 737a0d8ef16fd7deaecfeb5da8a734045540dbbc	zero_outputs