export declare const encodeBase64: (data: string | ArrayLike<number> | ArrayBufferLike) => string;
export declare const encodeBase64Url: (data: string | ArrayLike<number> | ArrayBufferLike) => string;
export declare const decodeBase64: (data: string) => Uint8Array;
export declare const decodeBase64Url: (data: string) => Uint8Array;