code: def _get_hyper_param(self) -> dict:
      return {
          "num_trees": self.num_trees,
          "max_depth": self.max_depth,
          "max_bin": self.max_bin,
          "complete_secure": self._complete_secure,
      }
  
imports: import random
  import os
  from fate.ml.ensemble.learner.decision_tree.hetero.host import HeteroDecisionTreeHost
  from fate.ml.ensemble.algo.secureboost.hetero._base import HeteroBoostingTree
  from fate.arch import Context
  from fate.arch.dataframe import DataFrame
  from fate.ml.ensemble.utils.binning import binning
  from fate.ml.ensemble.algo.secureboost.common.predict import predict_leaf_host
  from fate.ml.ensemble.learner.decision_tree.tree_core.decision_tree import GUEST_FEAT_ONLY, ALL_FEAT
  import logging
label_desc: Use image node_id 7 for calling the HeteroSecureBoostHost obj's underlying member method code with example usage: obj._get_hyper_param() and returns: dict