docstr: Method apply inverse Box-Cox transformation 
docstr_tok: ["Method","apply","inverse","Box-Cox","transformation"]
code: def _inverse_boxcox(self, predicted, lambda_param):
      """Method apply inverse Box-Cox transformation"""
      if lambda_param == 0:
          return np.exp(predicted)
      else:
          res = inv_boxcox(predicted, lambda_param)
          res = self._filling_gaps(res)
          return res
  
imports: from copy import copy
  from typing import Optional
  import numpy
  from scipy import stats
  from scipy.special import boxcox, inv_boxcox
  from statsmodels.tsa.api import STLForecast
  from statsmodels.tsa.arima.model import ARIMA
  from fedot.core.data.data import InputData, OutputData
  from fedot.core.operations.evaluation.operation_implementations.data_operations.ts_transformations import ts_to_table
  from fedot.core.operations.evaluation.operation_implementations.implementation_interfaces import ModelImplementation
  from fedot.core.operations.operation_parameters import OperationParameters
  from fedot.core.repository.dataset_types import DataTypesEnum
  from fedot.utilities.ts_gapfilling import SimpleGapFiller
label_desc: Use image node_id 7 for calling the ARIMAImplementation obj's underlying member method code with example usage: obj._inverse_boxcox(predicted, lambda_param) and returns: np, res