class_docstr: Base class of metrics.
class_docstr_tok: ["Base","class","of","metrics","."]
docstr: An internal method called by record() and should be
  implemented by different metric backends.
docstr_tok: ["An","internal","method","called","by","record","(",")","and","should","be","implemented","by","different","metric","backends","."]
code: def _record(
      self, value: float = 1.0, tags: Optional[Dict[str, str]] = None
  ):
      """An internal method called by record() and should be
      implemented by different metric backends.
      """
      pass
  
imports: import time
  from abc import ABC
  from typing import Dict, Optional, Tuple
label_desc: Use image node_id 8 for calling the AbstractMetric obj's underlying member method code with example usage: obj._record(value, tags) without return types