import type { InitializedObservable } from '../core';
export declare const createState: <S>(initialState: S) => Readonly<{
    state$: InitializedObservable<S>;
    setState: (v: S) => S;
    updateState: (updateFn: (prev: S) => S) => S;
    resetState: () => S;
}>;
export declare const createBooleanState: (initialState: boolean) => {
    state$: InitializedObservable<boolean>;
    setTrue: () => void;
    setFalse: () => void;
    setState: (next: boolean) => boolean;
    toggle: () => boolean;
    updateState: (updateFn: (prev: boolean) => boolean) => boolean;
    reset: () => void;
};