class_docstr: Computes simple statistics about queries.
class_docstr_tok: ["Computes","simple","statistics","about","queries","."]
code: def add_input(
      self, accumulator: _State, query_fpl: query_types.QueryFPL
  ) -> _State:
      accumulator.add(query_fpl)
      return accumulator
  
file_path: model-analysis/tensorflow_model_analysis/evaluators/query_metrics/query_statistics.py
imports: import dataclasses
  from typing import Any, Dict, Iterable
  import apache_beam
  from tensorflow_model_analysis.evaluators.query_metrics import query_types
  from tensorflow_model_analysis.post_export_metrics import metric_keys
label_desc: Use image node_id 2 for calling the QueryStatisticsCombineFn obj's underlying member method code with example usage: obj.add_input(accumulator, query_fpl) and returns: accumulator