Hide entries in grub menu when device is unavailable?

I have several menuentries in my **grub2** menu, some of which point to removable devices (Ventoy, Windows, etc). Is there any way to configure grub to automatically and temporarily hide (or grey out, or mark) the menuentries for which the device/partition/label they point to is unavailable? I was unable to obtain any information regarding this, so I suppose the answer will likely be a resounding "not possible," but...