declare const encodeBase64: (data: ArrayBuffer | string | Uint8Array) => string;
declare const decodeBase64: (b64: string) => Uint8Array;

declare const decodeBase64Url: (b64url: string) => Uint8Array;
declare const encodeBase64Url: (data: ArrayBuffer | string | Uint8Array) => string;

export { decodeBase64, decodeBase64Url, encodeBase64, encodeBase64Url };