protected function generateTimestamp($table)
{
$createdAt = $table->getColumn($this->createdAtColumn) !== null ? $this->createdAtColumn : false;
$updatedAt = $table->getColumn($this->updatedAtColumn) !== null ? $this->updatedAtColumn : false;
if ($this->useTimestampBehavior && ($createdAt || $updatedAt)) {
return ['createdAtAttribute' => $createdAt, 'updatedAtAttribute' => $updatedAt];
}
return [];
}