                 else
                     opts.cb(undefined, address)
 
-    ###
-    LATER
-    ###
-
-
     # this is a no-op for Kubernetes; this was only used for serving
     # some static websites, e.g., wstein.org, so may evolve into that...
     save: (opts) =>

            opts.target_project_id = @project_id
        if not opts.target_path
            opts.target_path = opts.path
        opts.cb?("copy_path -- not implemented")

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

            path              : ""
            target_project_id : ""
            target_path       : ""        # path into project; if "", defaults to path above.
            overwrite_newer   : undefined # if true, newer files in target are copied over (otherwise, uses rsync's --update)
            delete_missing    : undefined # if true, delete files in dest path not in source, **including** newer files
            backup            : undefined # make backup files
            exclude_history   : undefined
            timeout           : 5*60
            bwlimit           : undefined
            cb                : undefined
