cyrus-cyr_expire(8) on Linux
The text 3199b3f6ca50, as Debian 12 (Bookworm) shipped it.
Cyrus IMAP documentation Expire messages and duplicate delivery database entries
Flags it lists
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-A -
-C -
-D -
-E -
-X -
-a -
-c -
-p -
-t -
-u -
-v -
-x