<_gui squeak {
argv: [ "/home/emery/.nix-profile/bin/squeak" "/home/emery/squeak/Squeak6.0alpha-21540-64bit.image" ]
dir: "/home/emery/squeak"
protocol: application/syndicate
}>
? <service-object <daemon squeak> ?cap> [
$cap {
config: $config
}
]