cyrus-restore(8) on Linux
The text 11bd2ec335d1, as Debian 12 (Bookworm) shipped it.
Cyrus IMAP documentation Restore content from Cyrus backups.
Flags it lists
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-A -
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-D -
-F -
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-M -
-P -
-U -
-X -
-a -
-n -
-r -
-v -
-w -
-x -
-z