import { ByteArray } from './array';
export declare const enum SealedBoxLength {
PublicKey = 32,
SecretKey = 32,
Nonce = 24,
Overhead = 48
}
export declare function sealedbox(m: ByteArray, pk: ByteArray): ByteArray;
export declare function sealedbox_open(c: ByteArray, pk: ByteArray, sk: ByteArray): ByteArray | undefined;