http-cookiefile.js
/**
         * @return {String} HTTP Server header
         */
@return {String} HTTP Server header
@return { String } HTTP Server header
toResponseHeader() {
            let headers = [];
            for (let [,cookie] of this) {
                headers.push(cookie.toResponseHeader());
            }
            return headers;
        }
toResponseHeader ( ) { let headers = [ ] ; for ( let [ , cookie ] of this ) { headers . push ( cookie . toResponseHeader ( ) ) ; } return headers ; }
@return {String} HTTP Server header
@return { String } HTTP Server header