function decode(qs) {
    let qry = {};
    let pairs = qs.split('&');
    for (let i = 0, l = pairs.length; i < l; i++) {
        let pair = pairs[i].split('=');
        qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
    }
    return qry;
}
Parses a simple querystring into an object

@param {String} qs
@api private