export declare type MachineEvent<Type extends string, Payload> = {
    type: Type;
    payload?: Payload;
};
export interface Machine<State = any, Events extends MachineEvent<any, any> = any> {
    readonly id: string;
    readonly state: State;
    send(event: Events['type'], payload?: Extract<Events, {
        type: Events['type'];
    }>['payload']): void;
}