code: def get_feature_names(self):
      return list(self._feature_map.keys())
  
file_path: autogluon/tabular/src/autogluon/tabular/models/xgboost/xgboost_utils.py
imports: from collections import OrderedDict
  import numpy
  from scipy.sparse import csr_matrix, hstack
  from sklearn.base import BaseEstimator, TransformerMixin
  from autogluon.core.constants import BINARY, MULTICLASS, REGRESSION, SOFTCLASS
  from ..tabular_nn.utils.categorical_encoders import OneHotMergeRaresHandleUnknownEncoder
label_desc: Use image node_id 4 for calling the OheFeatureGenerator obj's underlying member method code with example usage: obj.get_feature_names() and returns: list