/// <reference types="node" />
import { SaplingPartialOutputDescription } from '@airgap/sapling-wasm';
import BigNumber from '../../../dependencies/src/bignumber.js-9.0.0/bignumber';
import { Ed25519CryptoClient } from '../../Ed25519CryptoClient';
import { TezosCryptoClient } from '../TezosCryptoClient';
import { TezosSaplingCiphertext } from '../types/sapling/TezosSaplingCiphertext';
import { TezosSaplingOutput } from '../types/sapling/TezosSaplingOutput';
interface PayloadEnc {
    diversifier: Buffer;
    address: Buffer;
    amount: BigNumber;
    rcm: Buffer;
    memo: Buffer;
}
interface PayloadOut {
    pkd: Buffer;
    esk: Buffer;
}
export declare class TezosSaplingCryptoClient extends Ed25519CryptoClient {
    private readonly tezosCryptoClient;
    private readonly ockKey;
    private readonly kdfKey;
    constructor(tezosCryptoClient: TezosCryptoClient);
    signMessage(message: string, keypair: {
        publicKey?: string | undefined;
        privateKey: Buffer;
    }): Promise<string>;
    verifyMessage(message: string, signature: string, publicKey: string): Promise<boolean>;
    encryptCiphertext(tezosOutput: TezosSaplingOutput, saplingDescription: SaplingPartialOutputDescription, rcm: Buffer, esk: Buffer, viewingKey?: Buffer): Promise<TezosSaplingCiphertext>;
    decryptCiphertextEnc(viewingKey: Buffer | string, ciphertext: TezosSaplingCiphertext, mode?: 'sender' | 'receiver', commitment?: Buffer | string): Promise<PayloadEnc>;
    decryptCiphertextOut(viewingKey: Buffer | string, ciphertext: TezosSaplingCiphertext, commitment: Buffer | string): Promise<PayloadOut>;
    private getSymmetricKey;
}
export {};