when i am trying to use GetSalableQuantityDataBySku it will give me an error

i am new in magento when i am trying to use GetSalableQuantityDataBySku” does not exist

magento throw me an error below error
i am use

event which i use :

use MagentoInventorySalesAdminUiModelGetSalableQuantityDataBySku;

protected $getSalableQuantityDataBySku;

GetSalableQuantityDataBySku $getSalableQuantityDataBySku,

$this->getSalableQuantityDataBySku = $getSalableQuantityDataBySku;