cyrus-restore(8) on Linux
The text 68a76a4ce550, as Debian 10 (Buster) shipped it.
Cyrus IMAP documentation Restore content from Cyrus backups.
Flags it lists
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-A -
-C -
-D -
-F -
-L -
-M -
-P -
-U -
-X -
-a -
-n -
-r -
-v -
-w -
-x -
-z