declare class Base64 {
    static readonly BASE_ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
    static readonly ALPHABET_URL: string;
    static readonly ALPHABET: string;
    static readonly MIME_CLEAN: RegExp;
    static readonly MIMELINEMAX = 76;
    static readonly MIME_CRLF = "\r\n";
    static readonly VALIDATE_BASE64: RegExp;
    static readonly VALIDATE_BASE64_URL: RegExp;
    static encode(input: Uint8Array, type?: "basic" | "url" | "mime", withoutPadding?: boolean | null): string;
    static decode(input: string, type?: "basic" | "url" | "mime"): Uint8Array;
}
export default Base64;
//# sourceMappingURL=Base64.d.ts.map