code: def getLatestContent(self) -> Any:
      # ^ returns Any because we cannot be sure latest are UTF8Bytes
      latest = generate_latest(self.getRegistry())
      return latest.decode("utf-8")
  
imports: import os
  import time
  from types import TracebackType
  from typing import Any, Optional, TypeVar
  from prometheus_client import REGISTRY, CollectorRegistry, Gauge, Histogram, generate_latest
  from prometheus_client.multiprocess import MultiProcessCollector
  from psutil import disk_usage
  from libcommon.queue import JobTotalMetricDocument
  from libcommon.simple_cache import CacheTotalMetricDocument
  from libcommon.storage import StrPath
label_desc: Use image node_id 2 for calling the Prometheus obj's underlying member method code with example usage: obj.getLatestContent() and returns: latest