index.js
function(arr, isSigned) {
        if (this.type !== Pbf.Bytes) return arr.push(this.readVarint(isSigned));
        var end = readPackedEnd(this);
        arr = arr || [];
        while (this.pos < end) arr.push(this.readVarint(isSigned));
        return arr;
    }
function(arr, isSigned) {
        if (this.type !== Pbf.Bytes) return arr.push(this.readVarint(isSigned));
        var end = readPackedEnd(this);
        arr = arr || [];
        while (this.pos < end) arr.push(this.readVarint(isSigned));
        return arr;
    }
verbose for performance reasons; doesn't affect gzipped size