export interface AbstractEventBusEventType<PayloadType = unknown> {
    payload?: PayloadType;
    type: string;
}
export declare const emit: (event: AbstractEventBusEventType | Promise<AbstractEventBusEventType>) => void;
export declare const register: (event: AbstractEventBusEventType, onNext: (value: AbstractEventBusEventType) => void) => ZenObservable.Subscription;