/// <reference types="node" />
import { FactoryProvider, Logger, LoggerService } from '@nestjs/common';
import { Options } from 'amqplib';
export interface ExchangeOptions {
    exchange: string;
    type?: string;
    options?: Options.AssertExchange;
    publish?: Options.Publish;
    encode?: (data: Buffer) => Buffer;
}
export interface QueueOptions {
    queue: string;
    exchange: string;
    options?: Options.AssertQueue;
    consume?: Options.Consume;
    nackOptions?: {
        allUpTo?: boolean;
        requeue?: boolean;
    };
    decode?: Function;
    patterns: string | string[];
}
export interface PublishParams {
    msg: any;
    routingKey?: string;
    publishOptions?: Options.Publish;
    encode?: (data: any) => Buffer;
    callback?: (err: any) => void;
}
export interface AmqpConfig {
    connection: Options.Connect;
    exchanges: ExchangeOptions[];
    queues: QueueOptions[];
    logger?: Logger | LoggerService;
}
export interface AmqpAsyncConfig {
    name?: string;
    useFactory: (...args: any[]) => Promise<AmqpConfig> | AmqpConfig;
    inject?: FactoryProvider['inject'];
}