code: def _is_sequence_column_v2(feature_column):
      """Returns whether the feature column is a V2 Sequence Feature Column."""
      if isinstance(
          feature_column, feature_column_lib.SequenceCategoricalColumn
      ):
          return True
      if isinstance(
          feature_column, feature_column_lib.SequenceNumericColumn
      ):
          return True
      if hasattr(feature_column, "categorical_column") and isinstance(
          feature_column.categorical_column,
          feature_column_lib.SequenceCategoricalColumn,
      ):
          return True
      return False
  
file_path: ranking/tensorflow_ranking/python/feature.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import six
  import tensorflow
  from tensorflow import estimator
  from tensorflow.python.feature_column import feature_column_lib
  from tensorflow_ranking.python import utils
label_desc: Use image node_id 2 for calling a global function with example usage: _is_sequence_column_v2(feature_column) and returns: False, True, True, True