import { AmqpService } from './amqp.service';
import { PublishParams } from './amqp.interface';
export declare class Publisher {
    private readonly amqpService;
    private logger;
    private amqpConfig;
    private channel;
    private exchangeOptions;
    constructor(amqpService: AmqpService);
    setExchange(exchange: string): Promise<void>;
    publish(params: PublishParams | string): boolean;
}