Hi, I discussed this with upstream ... this feature is Arch specific patch. If you want to see it in debian you should try to grab what arch has done in this area, and/or ask the Arch people to upstream those systemd files? Or send them them upstream yourself.
https://projects.archlinux.org/svntogit/packages.git/tree/repos/extra-x86_64?h=packages/fluidsynth https://projects.archlinux.org/svntogit/packages.git/tree/repos/extra-x86_64?h=packages/fluidsynth regards mira
