import { PacketStream } from '../packet-stream';
import { PacketWriteResult } from '../mqtt.packet';
export interface SubscribePacketOptions {
    subscriptions: Array<{
        topic: string;
        qos?: number;
    }>;
    identifier: number;
}
export declare function writeSubscribePacket(stream: PacketStream, options: SubscribePacketOptions): PacketWriteResult;