docs: def _get_npcap_config(param_key):
      """
      Get a Npcap parameter matching key in the registry.
  
      List:
      AdminOnly, DefaultFilterSettings, DltNull, Dot11Adapters, Dot11Support
      LoopbackAdapter, LoopbackSupport, NdisImPlatformBindingOptions, VlanSupport
      WinPcapCompatible
      """
      hkey = winreg.HKEY_LOCAL_MACHINE
      node = r"SYSTEM\CurrentControlSet\Services\npcap\Parameters"
      try:
          key = winreg.OpenKey(hkey, node)
          dot11_adapters, _ = winreg.QueryValueEx(key, param_key)
          winreg.CloseKey(key)
      except WindowsError:
          return None
      return dot11_adapters