040000 tree d2aacfcadbfeb6f379680a809b4c41ebbc0e7678	additional_params
040000 tree 68850de0310e7ea98dc75d15f41e68f1facf6275	multiple_outputs
040000 tree e30d3c5d1544eab56b2cb2a12847acf016b1b7cc	one_output
040000 tree 6d83f8e8b88de4bfde228d8fdbf1cb4bccbde02c	zero_outputs