import { IMessageBrokerService } from '../../types';
export declare class SQSService implements IMessageBrokerService {
    private config;
    private sqs;
    private isPolling;
    constructor(config: {
        region: string;
        accessKeyId: string;
        secretAccessKey: string;
        queueUrl?: string;
    });
    connect(): Promise<void>;
    publish(topic: string, message: object): Promise<void>;
    subscribe(queueUrl: string, callback: (message: object) => Promise<void>): Promise<void>;
    disconnect(): Promise<void>;
}