Dear Maintainer,
The provided systemd service file /usr/lib/systemd/system/valkey-server.service
contains the following line:
ReadWriteDirectories=-/etc/valkey
The property "ReadWriteDirectives" does not exist in systemd.
(Searching `man systemd.directives` for that property turns up nothing.)
The property "ReadWritePaths" (which is also used in this service file) does
exist and appears to be the one the service file author had intended to use.
This bug exists in current valkey-server stable, testing and unstable versions.