code: def _init(self):
      self._metric = SimpleMetric(
          self._name, self._description, self._tag_keys
      )
  
imports: import logging
  from typing import Optional, Dict, Tuple
  from ..metric import AbstractMetric, AbstractCounter, AbstractGauge, AbstractHistogram, AbstractMeter
label_desc: Use image node_id 2 for calling the ConsoleMetricMixin obj's underlying member method code with example usage: obj._init() without return types