import amqplib, { Channel, Connection, ConsumeMessage } from 'amqplib';
declare class RabbitMQ {
    private static instance;
    private constructor();
    static getInstance(): RabbitMQ;
    channel: Channel;
    connection: Connection;
    private eventFunction;
    connect(connectionURL: string, queueName: string, consumeOptions?: amqplib.Options.Consume): Promise<void>;
    consume: (msg: ConsumeMessage | null) => void;
    publish(queueName: string, event: string, content: Object, options?: amqplib.Options.Publish): void;
    onEvent(eventName: string, onMessage: (msg: Record<string, any> | null) => void): void;
    createExchange(name: string, type: 'direct' | 'topic' | 'headers' | 'fanout' | 'match', options?: amqplib.Options.AssertExchange): Promise<amqplib.Replies.AssertExchange>;
    bindQueueToExchange(queueName: string, exchangeName: string, pattern: string): Promise<amqplib.Replies.Empty>;
    publishOnExchange(exchangeName: string, routingKey: string, event: string, content: Object, options?: amqplib.Options.Publish): void;
    private convertObjectToBuffer;
    private parseBufferToJSON;
    private handleBigInts;
}
declare const _default: RabbitMQ;
export default _default;