local jid_prep = require "util.jid".prep;
local registration_watchers = module:get_option_set("registration_watchers", module:get_option("admins", {})) / jid_prep;
local jid_prep = require "util.jid".prep;
local registration_watchers = module:get_option_set("registration_watchers", module:get_option("admins", {})) / jid_prep;