040000 tree 0b3e4b436f2cddba69b02f73b40a17db31aed53d	additional_params
040000 tree b4d4f5cb38323da196973ecbe0a677ffb96b1a25	multiple_outputs
040000 tree 3b8ef3d5ab44b3b6d3c9fa9251e51b7bbdf58cb4	one_output
040000 tree 49843e41ec11e59d241108700f99c6b29b6082e5	zero_outputs