import { TransactionQueryInput, Transaction, TransactionConnection, TransactionRequestInput } from '../types.d';
import { TransactionDb } from './transactionDb';
import { DeviceVerification, DeviceService } from '../devices';
import { AppSyncClient, EnvironmentService, DynamodbService, LambdaService } from '../common_services';
import { UpdateEventPublisher } from '../common_interfaces';
export declare class TransactionService extends UpdateEventPublisher {
    private readonly dynamodbService;
    private readonly envService;
    private readonly deviceVerify;
    private readonly deviceService;
    private readonly appsyncClient;
    private readonly lambdaService;
    transactionDb: TransactionDb;
    constructor(dynamodbService: DynamodbService, envService: EnvironmentService, deviceVerify: DeviceVerification, deviceService: DeviceService, appsyncClient: AppSyncClient, lambdaService: LambdaService);
    requestTransaction: (accessToken: string, event: TransactionRequestInput) => Promise<{
        status: boolean;
    }>;
    subscribeTransactionResponse(event: any): any;
    getTransaction: (transactionUuid: string) => Promise<Transaction>;
    getTransactions: (event: TransactionQueryInput, accessToken: string) => Promise<TransactionConnection>;
    prepareUpdateEventRequest(item: any, keys: any): {
        mutation: import("graphql").DocumentNode;
        variables: {
            item: any;
        };
    };
    onTransactionStream: (event: any) => Promise<void>;
    onTransactionUpdate: (accessToken: string) => Promise<void>;
}