import { Server, CustomTransportStrategy } from '@nestjs/microservices';
import { SnsSqsOptions } from '../../interfaces/sns-sqs-options.interface';
import { SQSClient } from '../../sqs-client/sqs-client';
export declare class SnsSqsTransport extends Server implements CustomTransportStrategy {
    private sqsClient;
    private options;
    constructor(_options: SnsSqsOptions);
    listen(callback: () => void): Promise<void>;
    createSqsClient(): SQSClient;
    close(): Promise<void>;
    private start;
    private bindHandlers;
    private bindEventHandler;
    private bindMessageHandler;
    private getMessageHandler;
    private responsePublisherFactory;
    private parsePacket;
    private normalizeExtras;
}