code: def predict_kwargs(self) -> dict:
      return self._predict_kwargs
  
file_path: mars/mars/learn/contrib/statsmodels/predict.py
imports: import pickle
  import numpy
  from ....None import opcodes
  from ....core import OutputType, recursive_tile
  from ....dataframe.core import DATAFRAME_TYPE, SERIES_TYPE
  from ....serialization.serializables import BytesField, DictField, TupleField
  from ...operands import LearnOperand, LearnOperandMixin
label_desc: Use image node_id 4 for calling the StatsModelsPredict obj's underlying member method code with example usage: obj.predict_kwargs() and returns: self