:default => "simple",
:is => %w[simple forking oneshot dbus notify idle]
property :limit_nofile, Integer
+property :memory_low, [Integer, String]
+property :memory_high, [Integer, String]
+property :memory_max, [Integer, String]
property :environment, Hash, :default => {}
property :environment_file, [String, Hash]
property :user, String