class_docstr: IdentityFeatureGenerator simply passes the data along without alterations.
code: def _transform(self, X: DataFrame) -> DataFrame:
      return X
  
file_path: autogluon/features/src/autogluon/features/generators/identity.py
imports: import logging
  from pandas import DataFrame
  from .abstract import AbstractFeatureGenerator
label_desc: Use image node_id 2 for calling the IdentityFeatureGenerator obj's underlying member method code with example usage: obj._transform(X) and returns: X