import { ReadonlyAbon } from "./readonly-abon";
import { ComposedSubscriberFlex, UnsubscribeFn } from "./types";
/** Subscribe to, retrieve, and update a value. */
export declare class Abon<T> extends ReadonlyAbon<T> {
    current: T;
    constructor(initial?: T);
    set(value: T): this;
    notify(): void;
    static use<T>(initial?: () => T, deps?: readonly any[]): Abon<T>;
    static useRef<T>(initial?: () => T, deps?: readonly any[]): Abon<T>;
    /** Creates an `Abon` based on a value that should be updated given a selection of subscriptions. */
    static from<T>(getValue: () => T, listen: ComposedSubscriberFlex, setUnsubscribe?: (unsubscribe: UnsubscribeFn) => void): ReadonlyAbon<T>;
    static from<T>(getValue: () => T, listen: ComposedSubscriberFlex, unsubscribeFns?: Set<Function>): ReadonlyAbon<T>;
    static from<T>(getValue: () => T, listen: ComposedSubscriberFlex, unsubscribeFns?: Set<Function>): ReadonlyAbon<T>;
    static useFrom<T>(listen: (listener: (value: T) => void) => UnsubscribeFn, initial?: () => T, deps?: readonly any[]): Abon<T>;
}