INFO cannot update "cups", will not have required content "foo": snap has no updates available

[Heinrich Schuchardt]

When running 'snap refresh' I saw this message:

INFO cannot update "cups", will not have required content "foo": snap has no updates available

I would not expect anything called 'foo' in a stable snap.

$ snap info cups
name: cups
summary: The CUPS Snap - The Printing Stack for Linux
publisher: OpenPrinting✓
store-url: https://snapcraft.io/cups
contact: <email address hidden>
license: unset
description: |
  The official Snap of CUPS, the standard printing environment for Linux operating systems
commands:
  - cups.accept
  - cups.cancel
  - cups.cupsaccept
  - cups.cupsctl
  - cups.cupsdisable
  - cups.cupsenable
  - cups.cupsfilter
  - cups.cupsreject
  - cups.cupstestppd
  - cups.driverless
  - cups.gs
  - cups.ippeveprinter
  - cups.ippfind
  - cups.ipptool
  - cups.lp
  - cups.lpadmin
  - cups.lpc
  - cups.lpinfo
  - cups.lpoptions
  - cups.lpq
  - cups.lpr
  - cups.lprm
  - cups.lpstat
  - cups.reject
services:
  cups.cups-browsed: simple, enabled, active
  cups.cupsd: simple, enabled, active
snap-id: m1eQacDdXCthEwWQrESei3Zao3d5gfJF
tracking: latest/stable
refresh-date: 9 days ago, at 10:32 CEST
channels:
  latest/stable: 2.4.10-1 2024-06-27 (1058) 71MB -
  latest/candidate: ↑
  latest/beta: ↑
  latest/edge: 2.4.10-1 2024-06-20 (1058) 71MB -
installed: 2.4.10-1 (1058) 71MB -