class_docstr: Max number of times any example was seen.
class_docstr_tok: ["Max","number","of","times","any","example","was","seen","."]
code: def value(self) -> int:
      if not self._counter:
          return 0
      return max(self._counter.values())
  
imports: from __future__ import annotations
  from typing import Tuple
  from collections import Counter
  from parlai.core.torch_agent import TorchAgent
  from parlai.core.metrics import Metric, SumMetric
  from parlai.core.message import Message
label_desc: Use image node_id 1 for calling the TimesSeenMetric obj's underlying member method code with example usage: obj.value() and returns: max, int