---@meta ---@class resty.md5 : resty.string.checksum local md5={} --- Create a new md5 checksum object. ---@return resty.md5 function md5:new() end --- Add a string to the md5 checksum data ---@param s string ---@param len? number Optional length (defaults to the length of `s`) ---@return boolean ok function md5:update(s, len) end return md5