class_docstr: CombineFn to generate MatchStats.
class_docstr_tok: ["CombineFn","to","generate","MatchStats","."]
code: def create_accumulator(self):
      return _make_match_stats_counter()
  
imports: from typing import Any, Dict, Iterable, Iterator, List, Optional, Tuple, Union
  import apache_beam
  import farmhash
  import numpy
  import tensorflow
  from tensorflow_data_validation import constants
  from tensorflow_data_validation import types
  from tensorflow_data_validation.utils import artifacts_io_impl
  from tensorflow_data_validation.skew.protos import feature_skew_results_pb2
label_desc: Use image node_id 1 for calling the _MergeMatchStatsFn obj's underlying member method code with example usage: obj.create_accumulator() and returns: _make_match_stats_counter