import { SupportedStorage } from './types'; export declare function expiresAt(expiresIn: number): number; export declare function uuid(): string; export declare const isBrowser: () => boolean; export declare function getParameterByName(name: string, url?: string): string | null; declare type Fetch = typeof fetch; export declare const resolveFetch: (customFetch?: typeof fetch | undefined) => Fetch; export declare const setItemAsync: (storage: SupportedStorage, key: string, data: any) => Promise; export declare const getItemAsync: (storage: SupportedStorage, key: string) => Promise; export declare const getItemSynchronously: (storage: SupportedStorage, key: string) => any | null; export declare const removeItemAsync: (storage: SupportedStorage, key: string) => Promise; export {}; //# sourceMappingURL=helpers.d.ts.map