export type UnionToIntersection<U> = (U extends any ? (k: U) => void : never) extends (k: infer I) => void ? I : never;
export type MessageFactoryFn<Group, Event> = UnionToIntersection<Event extends {
    type: string;
} ? Event extends {
    payload: any;
} ? (type: Event['type'], payload: Event['payload']) => {
    event: Group;
    type: Event['type'];
    payload: Event['payload'];
} : (type: Event['type'], payload?: undefined) => {
    event: Group;
    type: Event['type'];
    payload: undefined;
} : never>;
//# sourceMappingURL=utils.d.ts.map