040000 tree 99cd22411ee407edf38e0594d08dedfcb9b2cd67	additional_params
040000 tree 3ff9a3ea703bc40072ad32a764607d4f3fc56bfd	multiple_outputs
040000 tree bf406707064b9e9a0e211d01f2e7b4ba2ce63c4e	one_output
040000 tree d0861e813fdf5061636688e31c142aa01789148b	zero_outputs