auto-revert-buffer-list

auto-revert-buffer-list is a variable defined in `autorevert.el'.
Its value is

nil

Documentation:
List of buffers in Auto-Revert Mode.

Note that only Auto-Revert Mode, never Global Auto-Revert Mode, adds
buffers to this list.

The timer function `auto-revert-buffers' is responsible for purging
the list of old buffers.