import { NatsChannel } from '../channel/nats.channel';
import { IMessagingConsumer, ConsumerDispatchedMessageError, ConsumerMessageBus } from '@nestjstools/messaging';
import { OnApplicationShutdown } from '@nestjs/common';
export declare class NatsMessagingConsumer implements IMessagingConsumer<NatsChannel>, OnApplicationShutdown {
    private channel?;
    private client?;
    consume(dispatcher: ConsumerMessageBus, channel: NatsChannel): Promise<void>;
    onError(errored: ConsumerDispatchedMessageError, channel: NatsChannel): Promise<void>;
    onApplicationShutdown(signal?: string): Promise<any>;
}