code: def transform(self, X: DataFrame) -> DataFrame:
      return X
  
file_path: autogluon/core/src/autogluon/core/data/cleaner.py
imports: import logging
  from pandas import DataFrame
  from autogluon.core.constants import BINARY, MULTICLASS, QUANTILE, REGRESSION
label_desc: Use image node_id 3 for calling the CleanerDummy obj's underlying member method code with example usage: obj.transform(X) and returns: X