deb [arch=amd64,i386 signed-by=/usr/share/keyrings/libretro-testing.gpg] https://ppa.launchpadcontent.net/libretro/testing/ubuntu jammy main 
deb-src [arch=amd64,i386 signed-by=/usr/share/keyrings/libretro-testing.gpg] https://ppa.launchpadcontent.net/libretro/testing/ubuntu jammy main