text: public Builder add(long l) {if (pending == null) {throw new IllegalStateException("Cannot be reused after build()");}if (pendingOff == pending.length) {if (values.length == valuesOff) {final int newLength = ArrayUtil.oversize(valuesOff + 1, 8);grow(newLength);}pack();}pending[pendingOff++] = l;size += 1;return this;}