import { Ref } from './types';
export declare const REF: unique symbol;
export declare type WithRef = {
    [REF]: boolean;
};
export declare function isRef<T>(object: any): object is Ref<T>;
export declare function computedRef<T>(compute: () => T, isEqual?: (next: T, prev: T) => boolean): Readonly<Ref<T>>;
export declare function ref<T>(value: T, isEqual?: (next: T, prev: T) => boolean): Ref<T>;
export declare function deferredRef<T>(callback: () => T, isEqual?: (next: T, prev: T) => boolean): Readonly<Ref<T>>;