import { MqttOptions as NestMqttOptions } from '@nestjs/microservices';
import { BaseTransport } from './base.transport';
export interface MqttOptions {
    url?: string;
    serializer?: any;
    deserializer?: any;
    subscribeOptions?: {
        qos: 0 | 1 | 2;
        nl?: boolean;
        rap?: boolean;
        rh?: number;
    };
    userProperties?: Record<string, string | string[]>;
    [key: string]: any;
}
export declare class MqttTransport extends BaseTransport {
    options: MqttOptions;
    constructor(props: Partial<MqttTransport>);
    getOptions(): NestMqttOptions;
}
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