import { DomainEvent } from './domain-event';
export declare namespace chatEvents {
    abstract class ChatEvent implements DomainEvent {
        readonly eventId: string;
        readonly tag: string;
        readonly __discriminator__ = "domainEvent";
        protected constructor(eventId: string, tag: string);
    }
    interface NormalizedEvent {
        readonly id: string;
        readonly authorId: string;
        readonly channelId: string;
        readonly tag: string;
        readonly data: any;
        readonly timestamp: number;
    }
    class Received extends ChatEvent {
        static readonly tag = "chat_received";
        readonly message: NormalizedEvent;
        readonly ref?: string;
        constructor(eventId: string, message: NormalizedEvent, ref?: string);
        static isReceived(event: DomainEvent): event is Received;
    }
}