getSyncPaymentHandler example

public function testPaymentRegistry(): void
    {
        $registry = new PaymentHandlerRegistry(
            $this->registerHandler(SynchronousPaymentHandlerInterface::class),
            $this->registerHandler(AsynchronousPaymentHandlerInterface::class),
            $this->registerHandler(PreparedPaymentHandlerInterface::class),
            $this->registerHandler(RefundPaymentHandlerInterface::class),
            $this->registerHandler(RecurringPaymentHandlerInterface::class),
            $this->connection,
        );

        $sync = $registry->getSyncPaymentHandler($this->ids->get(SynchronousPaymentHandlerInterface::class));
        static::assertInstanceOf(SynchronousPaymentHandlerInterface::class, $sync);

        $async = $registry->getAsyncPaymentHandler($this->ids->get(AsynchronousPaymentHandlerInterface::class));
        static::assertInstanceOf(AsynchronousPaymentHandlerInterface::class, $async);

        $prepared = $registry->getPreparedPaymentHandler($this->ids->get(PreparedPaymentHandlerInterface::class));
        static::assertInstanceOf(PreparedPaymentHandlerInterface::class, $prepared);

        $refund = $registry->getRefundPaymentHandler($this->ids->get(RefundPaymentHandlerInterface::class));
        static::assertInstanceOf(RefundPaymentHandlerInterface::class, $refund);

        

    }

    /** * @param array<class-string<PaymentHandlerInterface>> $handlerInstances * * @dataProvider paymentMethodDataProvider */
    public function testGetSyncHandler(string $handlerName, string $handlerClass, array $handlerInstances): void
    {
        $paymentMethod = $this->getPaymentMethod($handlerName);
        $handler = $this->paymentHandlerRegistry->getSyncPaymentHandler($paymentMethod->getId());

        if (\in_array(SynchronousPaymentHandlerInterface::class, $handlerInstances, true)) {
            static::assertInstanceOf(SynchronousPaymentHandlerInterface::class, $handler);
        } else {
            static::assertNull($handler);
        }
    }

    /** * @param array<class-string<PaymentHandlerInterface>> $handlerInstances * * @dataProvider paymentMethodDataProvider */