export declare const signer: (privateKey: Uint8Array) => {
    sign({ data }: {
        data: Uint8Array | string;
    }): Promise<Uint8Array>;
};
export declare const verifier: (publicKey: Uint8Array) => {
    verify({ data, signature, }: {
        data: Uint8Array | string;
        signature: Uint8Array;
    }): Promise<boolean>;
};