Block/Form.php
private function getPaymentDataHelper() {
        if ($this->paymentDataHelper === null) {
            $this->paymentDataHelper = ObjectManager::getInstance()->get(Data::class);
        }
        return $this->paymentDataHelper;
    }
private function getPaymentDataHelper() {
        if ($this->paymentDataHelper === null) {
            $this->paymentDataHelper = ObjectManager::getInstance()->get(Data::class);
        }
        return $this->paymentDataHelper;
    }
private function getPaymentDataHelper ( ) { if ( $ this -> paymentDataHelper === null ) { $ this -> paymentDataHelper = ObjectManager :: getInstance ( ) -> get ( Data :: class ) ; } return $ this -> paymentDataHelper ; }
Returns payment data helper instance.

@return Data
@throws \RuntimeException
Returns payment data helper instance .