import { Abstraction } from "@webiny/di";
/** Base class for all domain events. */
export declare abstract class DomainEvent<TPayload = void> {
    abstract readonly eventType: string;
    readonly occurredAt: Date;
    readonly payload: TPayload extends void ? undefined : TPayload;
    constructor(payload: TPayload);
    abstract getHandlerAbstraction(): Abstraction<IEventHandler<any>>;
}
export interface IEventHandler<TEvent extends DomainEvent<any> = DomainEvent<any>> {
    handle(event: TEvent): Promise<void>;
}
export interface IEventPublisher {
    publish<TEvent extends DomainEvent<any>>(event: TEvent): Promise<void>;
}
/** Publish domain events to registered handlers. */
export declare const EventPublisher: Abstraction<IEventPublisher>;
export declare namespace EventPublisher {
    type Interface = IEventPublisher;
}