code: def save_model(self, dest):
      callBigDlFunc(
          self.bigdl_type, "fgBoostRegressionSave", self.value, dest
      )
  
file_path: BigDL/python/ppml/src/bigdl/ppml/fl/algorithms/fgboost_regression.py
imports: from time import time
  from bigdl.dllib.utils.common import JavaValue
  from bigdl.ppml.fl.data_utils import *
  from bigdl.ppml.fl import *
  from bigdl.ppml.fl.fgboost.utils import add_data
  import logging
label_desc: Use image node_id 5 for calling the FGBoostRegression obj's underlying member method code with example usage: obj.save_model(dest) without return types