code: def range_query(self, start: int) -> dict[str, list[float | None]]:
      if start >= self.count:
          return {k: [] for k in self.quantities}
  
      istart = min(
          -1, max(-len(self.quantities["cpu"]), start - self.count)
      )
  
      return {
          k: [v[i] if -i <= len(v) else None for i in range(istart, 0)]
          for k, v in self.quantities.items()
      }
  
file_path: distributed/distributed/system_monitor.py
imports: from __future__ import annotations
  import sys
  from collections import deque
  from typing import Any
  import psutil
  import dask.config
  from dask.typing import NoDefault, no_default
  from dask.utils import parse_timedelta
  from distributed.compatibility import WINDOWS
  from distributed.diagnostics import nvml
  from distributed.metrics import monotonic, time
label_desc: Use image node_id 6 for calling the SystemMonitor obj's underlying member method code with example usage: obj.range_query(start) and returns: unknown, unknown