040000 tree d68e604da99beb97a64d4a28b5c0b8636cd6d208	additional_params
040000 tree 0b5673de8e5cc99b446609417ee5225c8b4cf5ac	multiple_outputs
040000 tree 8a979624b84ca6d056429fb9ef271aa744149b7b	one_output
040000 tree 2f6e488a5e72b0f7babc05f9dfdcbc7471458d28	zero_outputs