export declare class URL { constructor(input: string, base?: string | URL); hash: string; host: string; hostname: string; href: string; readonly origin: string; password: string; pathname: string; port: string; protocol: string; search: string; readonly searchParams: URLSearchParams; username: string; toString(): string; toJSON(): string; } export declare class URLSearchParams implements Iterable<[string, string]> { constructor(init?: URLSearchParamsInit); append(name: string, value: string): void; delete(name: string): void; entries(): IterableIterator<[string, string]>; forEach(callback: (value: string, name: string) => void): void; get(name: string): string | null; getAll(name: string): string[]; has(name: string): boolean; keys(): IterableIterator; set(name: string, value: string): void; sort(): void; toString(): string; values(): IterableIterator; [Symbol.iterator](): IterableIterator<[string, string]>; } export type URLSearchParamsInit = | URLSearchParams | string | { [key: string]: Object | Object[] | undefined } | Iterable<[string, Object]> | Array<[string, Object]>;