protected function getTransferableOperations()
    {
        //Transfer
        $toTransferCreated = $this->operationManager->findByStatus(new Status(Status::CREATED));

        $toTransferFailed = $this->operationManager->findByStatus(new Status(Status::TRANSFER_FAILED));

        $toTransferNegative = $this->operationManager->findByStatus(new Status(Status::TRANSFER_NEGATIVE));

        $toTransfer = array_merge($toTransferNegative, $toTransferFailed, $toTransferCreated);

        return $toTransfer;
    }