-- Copyright (C) Yichun Zhang. All rights reserved. local base = require "resty.core.base" base.allows_subsystem('http') local core_response = require "resty.core.response" local set_resp_header = core_response.set_resp_header local _M = { version = base.version } function _M.add_header(key, value) set_resp_header(nil, key, value, true) end return _M