code: def __call__(
      self,
      label: LoggerLabel,
      steps_key: Optional[LoggerStepsKey] = None,
      instance: Optional[TaskInstance] = None,
  ) -> Logger:
      ...
  
file_path: acme/acme/utils/loggers/base.py
imports: import abc
  from typing import Any, Mapping, Optional
  import numpy
  import tree
  from typing_extensions import Protocol
label_desc: Use image node_id 1 for calling the LoggerFactory obj's underlying member method code with example usage: obj.__call__(label, steps_key, instance) without return types