declare const _exports: { clear(): void; delete(key: string): boolean; forEach(callbackfn: (value: string, key: string, map: Map) => void, thisArg?: any): void; get(key: string): string | undefined; has(key: string): boolean; set(key: string, value: string): Map; readonly size: number; entries(): IterableIterator<[string, string]>; keys(): IterableIterator; values(): IterableIterator; [Symbol.iterator](): IterableIterator<[string, string]>; readonly [Symbol.toStringTag]: string; }; export = _exports;