import Subscriber from './Subscriber';
declare class ObservableState<T> {
    private subject;
    private value;
    static create: <T_1>(initialValue: T_1) => ObservableState<T_1>;
    private constructor();
    get: () => T;
    set: (transformer: (v: T) => T) => void;
    subscribe: (subscriber: Subscriber<T>) => {
        unsubscribe: () => void;
    };
}
export default ObservableState;