class MemoryMetricsStore:
  def __init__(self, **kwargs):
    self._snapshots:dict[str, dict] = {}

  async def publish(self, worker_id:str, snapshot:dict) -> None:
    self._snapshots[worker_id] = dict(snapshot)

  async def load_all(self) -> list[dict]:
    return [dict(value) for value in self._snapshots.values()]

  async def close(self) -> None:
    return None