public function countExistingTabSeparators(ContentWrapper\Model $model)
	{
		$id = $model->getType() == ContentWrapper\Model::TYPE_START ? $model->id : $model->bootstrap_parentId;

		$number = \ContentModel::countBy(
			'type=? AND bootstrap_parentId',
			array($model->getTypeName(ContentWrapper\Model::TYPE_SEPARATOR), $id)
		);

		return $number;
	}