export declare const Poly1305: {
    new (key?: Uint8Array, outlen?: number): {
        buffer: Uint8Array<ArrayBuffer>;
        r: Uint16Array<ArrayBuffer>;
        h: Uint16Array<ArrayBuffer>;
        pad: Uint16Array<ArrayBuffer>;
        leftover: number;
        fin: number;
        blocks(m: Uint8Array, mpos: number, bytes: number): void;
        final(mac?: Uint8Array): Uint8Array;
        update(m: Uint8Array, mpos?: number, bytes?: number): void;
    };
    readonly NAME: "Poly1305";
    readonly KEYBYTES: 32;
    readonly OUTBYTES: 16;
    readonly BLOCKLEN: 16;
    digest(input: Uint8Array, key?: Uint8Array, outlen?: number): Uint8Array;
};