documentation/_calculator_interface_8php_source.html

 <?php
 namespace Magento\Framework\Pricing\Adjustment;

 use Magento\Framework\Pricing\SaleableInterface;

 interface CalculatorInterface
 {
     public function getAmount($amount, SaleableInterface $saleableItem, $exclude = null, $context = []);
 }
Magento\Framework\Pricing\Adjustment
Definition: AdjustmentInterface.php:7

$amount
$amount
Definition: order.php:14

Magento\Framework\Pricing\Adjustment\CalculatorInterface
Definition: CalculatorInterface.php:17

Magento\Framework\Pricing\Adjustment\CalculatorInterface\getAmount
getAmount($amount, SaleableInterface $saleableItem, $exclude=null, $context=[])

Magento\Framework\Pricing\SaleableInterface
Definition: SaleableInterface.php:15