{
    "BoostingTreeParam": {
        "task_type": "classification",
        "learning_rate": 0.1,
        "num_trees": 2,
        "subsample_feature_rate": 1,
        "n_iter_no_change": false,
        "tol": 0.0001,
        "quantile_method": "bin_by_sample_data",
        "bin_num": 50,
        "bin_gap": 0.000001,
        "bin_sample_num": 150000,
        "tree_param": {
            "criterion_method": "xgboost",
            "criterion_params": [0.1],
            "max_depth": 5,
            "min_sample_split": 2,
            "min_leaf_node": 1,
            "min_impurity_split": 0.001,
            "max_split_nodes": 1024
        },
        "objective_param": {
            "objective": "cross_entropy",
            "params": [1.5]
        },
        "encrypt_param": {
            "method": "paillier"
        }
    }
}