-- Copyright (C) by OpenResty Inc.
local base = require "resty.core.base"
base.allows_subsystem("http")
local core_request = require "resty.core.request"
local set_req_header = core_request.set_req_header
local _M = { version = base.version }
function _M.add_header(key, value)
    set_req_header(key, value, false)
end
return _M