import { EmitData, EventBusTypes, IEventBusModuleService, Message, Subscriber } from "@medusajs/types";
export default class EventBusService implements IEventBusModuleService {
    emit<T>(eventName: string, data: T, options?: Record<string, unknown>): Promise<void>;
    emit<T>(data: EmitData<T>[]): Promise<void>;
    emit<T>(data: Message<T>[]): Promise<void>;
    subscribe(event: string | symbol, subscriber: Subscriber): this;
    unsubscribe(event: string | symbol, subscriber: Subscriber, context?: EventBusTypes.SubscriberContext): this;
}