IReadOnlyCollection is not handled in System.Arrat.getCount about h5 HOT 1 CLOSED

getCount: function (obj, T) {
            var name,
                v;

            if (H5.isArray(obj)) {
                return obj.length;
            } else if (T && H5.isFunction(obj[name = "System$Collections$Generic$ICollection$1$" + H5.getTypeAlias(T) + "$getCount"])) {
                return obj[name]();
            } else if (T && H5.isFunction(obj[name = "System$Collections$Generic$IReadOnlyCollection$1$" + H5.getTypeAlias(T) + "$getCount"])) {
                return obj[name]();
            } else if (H5.isFunction(obj[name = "System$Collections$ICollection$getCount"])) {
                return obj[name]();
            } else if (T && (v = obj["System$Collections$Generic$ICollection$1$" + H5.getTypeAlias(T) + "$Count"]) !== undefined) {
                return v;
            } else if (T && (v = obj["System$Collections$Generic$IReadOnlyCollection$1$" + H5.getTypeAlias(T) + "$Count"]) !== undefined) {
                return v;
            } else if ((v = obj["System$Collections$ICollection$Count"]) !== undefined) {
                return v;
            } else if ((v = obj.Count) !== undefined) {
                return v;
            } else if (H5.isFunction(obj.getCount)) {
                return obj.getCount();
            }

            return 0;
        },