property :user, String
property :group, String
property :working_directory, String
-property :exec_start_pre, String
-property :exec_start, String
-property :exec_start_post, String
+property :exec_start_pre, [String, Array]
+property :exec_start, [String, Array]
+property :exec_start_post, [String, Array]
property :exec_stop, String
property :exec_reload, String
property :runtime_directory, String