class_docstr: Generates feature level statistics for natural language stats.
  
  A combiner that computes statistics based on the specified
  natural_language_domain.
class_docstr_tok: ["Generates","feature","level","statistics","for","natural","language","stats",".","A","combiner","that","computes","statistics","based","on","the","specified","natural_language_domain","."]
docstr: Merges several accumulators to a single accumulator value.
  
  Args:
    accumulators: The accumulators to merge.
  
  Returns:
    The merged accumulator.
docstr_tok: ["Merges","several","accumulators","to","a","single","accumulator","value",".","Args",":","accumulators",":","The","accumulators","to","merge",".","Returns",":","The","merged","accumulator","."]
code: def merge_accumulators(
      self, accumulators: Iterable[_PartialNLStats]
  ) -> _PartialNLStats:
      """Merges several accumulators to a single accumulator value.
  
      Args:
        accumulators: The accumulators to merge.
  
      Returns:
        The merged accumulator.
      """
      it = iter(accumulators)
      result = next(it)
      for accumulator in it:
          result += accumulator
      return result
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  from typing import Dict, Iterable, List, Optional, Set, Text, Union
  import pyarrow
  import six
  from tensorflow_data_validation import types
  from tensorflow_data_validation.statistics.generators import stats_generator
  from tensorflow_data_validation.utils import quantiles_util
  from tensorflow_data_validation.utils import schema_util
  from tensorflow_data_validation.utils import stats_util
  from tensorflow_data_validation.utils import vocab_util
  from tfx_bsl import sketches
  from tensorflow_metadata.proto.v0 import schema_pb2
  from tensorflow_metadata.proto.v0 import statistics_pb2
  from tfx_bsl.types import tfx_namedtuple
label_desc: Use image node_id 5 for calling the NLStatsGenerator obj's underlying member method code with example usage: obj.merge_accumulators(accumulators) and returns: result