import { CasperHDKey } from './CasperHDKey';
import { Secp256K1 } from '../Keys';
export declare class Secp256K1HDKey extends CasperHDKey<Secp256K1> {
    private hdKey;
    constructor(seed: Uint8Array);
    static new(): Secp256K1HDKey;
    static fromMnemonic(mnemonic: string): Secp256K1HDKey;
    publicKey(): Uint8Array;
    privateKey(): Uint8Array;
    derive(path: string): Secp256K1;
    sign(msg: Uint8Array): Uint8Array;
    verify(signature: Uint8Array, msg: Uint8Array): boolean;
}