public Object[] toArray() {
        return parent.toArray();
    }

    @Override
    public <T> T[] toArray(final T[] a) {
        return parent.toArray(a);
    }

    public int getStart() {
        return start;
    }

    public int getOffset() {
        return offset;
    }

    public int getPageSize() {
        return pageSize;
    }