import type { IKeyedStorage, IKeyedStorageSync, IStorage, IStorageSync } from './types.js';
export declare namespace Storages {
    function toAsync<T = string>(storage: IStorageSync<T>): IStorage<T>;
    function toKeyed<T = string>(storage: IStorage<T>, storageKey: string): IKeyedStorage<T>;
    function toKeyed<T = string>(storage: IStorageSync<T>, storageKey: string): IKeyedStorageSync<T>;
    function toConverted<T, C = string>(storage: IStorage<C>, convertOutput: (s: C | null) => T, convertInput: (v: T) => C): IStorage<T>;
    function toConverted<T, C = string>(storage: IStorageSync<C>, convertOutput: (s: C | null) => T, convertInput: (v: T) => C): IStorageSync<T>;
    function toJSONConverted<T>(storage: IStorage<string>): IStorage<T>;
    function toJSONConverted<T>(storage: IStorageSync<string>): IStorageSync<T>;
}