datatable.directory/app/Tables/RowNumerator.php

<?php


namespace App\Tables;

use App\Models\Row;

class RowNumerator extends BaseNumerator
{
    /**
     * Create a numerator for the given number of rows.
     *
     * @param int $capacity - how many
     */
    public function __construct($capacity)
    {
        parent::__construct(Row::allocateRowIDs($capacity));
    }
}