import { Matter, MatterArgs } from './matter.ts';
import { Signer } from './signer.ts';
import { Cipher } from './cipher.ts';
import { Salter } from './salter.ts';
export declare class Decrypter extends Matter {
    private readonly _decrypt;
    constructor({ raw, code, qb64, qb64b, qb2 }: MatterArgs, seed?: Uint8Array | undefined);
    decrypt(ser?: Uint8Array | null, cipher?: Cipher | null, transferable?: boolean): any;
    _x25519(cipher: Cipher, prikey: Uint8Array, transferable?: boolean): Signer | Salter;
}