import { Matter, MatterArgs } from './matter';
import { Cipher } from './cipher';
export declare class Encrypter extends Matter {
    private _encrypt;
    constructor({ raw, code, qb64, qb64b, qb2 }: MatterArgs, verkey?: Uint8Array | null);
    verifySeed(seed: Uint8Array): boolean;
    encrypt(ser?: Uint8Array | null, matter?: Matter | null): any;
    _x25519(ser: Uint8Array, pubkey: Uint8Array, code: string): Cipher;
}