code: def feature_metadata_path(export_path: str) -> str:
      """Returns the path to the feature metadata for the given export dir."""
      return os.path.join(
          export_path, "assets.extra", "feature_metadata"
      )
  
imports: import contextlib
  import inspect
  import os
  import pickle
  from typing import Any, Callable, Dict, Optional
  import six
  import tensorflow
  from tensorflow import estimator
  import tensorflow_model_analysis
  from tensorflow_model_analysis.api import types
  from tensorflow_model_analysis.utils import util
  from tensorflow.python.feature_column import feature_column_v2
  from tensorflow_estimator.python.estimator.canned import dnn
label_desc: Use image node_id 7 for calling a global function with example usage: feature_metadata_path(export_path) and returns: os