             cb     : required
         dbg = @dbg("stop")
         dbg()
-        opts.cb?("stop -- not implemented")
+        opts.cb()
 
     save: (opts) =>
         opts = defaults opts,

            cb     : required     # cb(err, {state:?, time:?, error:?})
        dbg = @dbg("state")
        dbg()
        opts.cb?("state -- not implemented")

    status: (opts) =>
        opts = defaults opts,
            cb     : required
        dbg = @dbg("status")
        dbg()
        opts.cb?("status -- not implemented")

    open: (opts) =>
        opts = defaults opts,
            cb   : required
        dbg = @dbg("open")
        dbg()
        opts.cb?("open -- not implemented")

    start: (opts) =>
        opts = defaults opts,


class Project extends Dbg
    constructor: (@compute_server, @project_id, @logger) ->
        @host = "project-{@project_id}"

    free: () =>

