import { IAccount, ICryptoBytes, IPrivateKey, IWallet, IWalletConfig } from '@interchainjs/types';
import * as nacl from 'tweetnacl';
import { PublicKey } from './types/solana-types';
export declare class Keypair implements IWallet {
    private readonly _keypair;
    private readonly _config;
    private readonly _privateKeys;
    private readonly _accounts;
    private readonly _publicKey;
    constructor(keypair?: nacl.SignKeyPair, config?: Partial<IWalletConfig>);
    static generate(config?: Partial<IWalletConfig>): Keypair;
    static fromSecretKey(secretKey: Uint8Array, config?: Partial<IWalletConfig>): Keypair;
    static fromSeed(seed: Uint8Array, config?: Partial<IWalletConfig>): Keypair;
    static fromBase58(base58PrivateKey: string, config?: Partial<IWalletConfig>): Keypair;
    get publicKey(): PublicKey;
    get secretKey(): Uint8Array;
    get privateKeys(): IPrivateKey[];
    get config(): IWalletConfig;
    getAccounts(): Promise<readonly IAccount[]>;
    getAccountByIndex(index: number): Promise<IAccount>;
    signByIndex(data: Uint8Array, index?: number): Promise<ICryptoBytes>;
    sign(message: Uint8Array): Uint8Array;
    verify(message: Uint8Array, signature: Uint8Array | ICryptoBytes): boolean;
}