getPaymentsChangeable example

$stateMachineState = $transaction->getStateMachineState();
        if ($stateMachineState === null) {
            return false;
        }

        return $stateMachineState->getTechnicalName() === OrderTransactionStates::STATE_PAID;
    }

    private function isPaymentChangeable(OrderRouteResponse $orderRouteResponse, AccountEditOrderPage $page): bool
    {
        $isChangeableByResponse = $orderRouteResponse->getPaymentsChangeable()[$page->getOrder()->getId()] ?? true;
        $isChangeableByTransactionState = $this->orderService->isPaymentChangeableByTransactionState($page->getOrder());

        return $isChangeableByResponse && $isChangeableByTransactionState;
    }
}