docstr: Predict interface requires concrete implementation from child class
docstr_tok: ["Predict","interface","requires","concrete","implementation","from","child","class"]
code: def predict(self, df: pd.DataFrame, **kwargs) -> pd.DataFrame:
      """Predict interface requires concrete implementation from child class"""
      raise AbstractMethodException(
          "Abstract method.  Model should implement concrete .predict()."
      )
  
imports: from copy import deepcopy
  import numpy
  import pandas
  import warnings
  from enum import Enum
  from typing import Dict, Any
  from ..exceptions import ForecasterException, AbstractMethodException, IllegalArgument
  from ..utils.general import is_ordered_datetime, is_even_gap_datetime
  from ..template.model_template import ModelTemplate
  from ..estimators.stan_estimator import StanEstimatorMCMC
  from ..constants.constants import TrainingMetaKeys, PredictionMetaKeys
label_desc: Use image node_id 11 for calling the Forecaster obj's underlying member method code with example usage: obj.predict(df) without return types