import { Secret } from '../../Secret';
import { SigningWallet, SerializeOptions } from '../SigningWallet';
import type { WalletSerialized } from '../../WalletSerialized';
import { DerivedKey } from '../../DerivedKey';
import { DerivedPublicKey } from '../../DerivedPublicKey';
/** A cached derivation result for a specific path. */
export interface DerivationIndexEntry {
    derivationPath: string;
    xpub: string;
    /** Compressed public key as hex. */
    publicKey: string;
}
/** @internal */
export type HDKeySource = {
    seed: Uint8Array;
} | {
    xpriv: string;
};
/** Optional restore data when deserializing an HD wallet. */
export interface HDWalletRestoreData {
    derivationIndex?: DerivationIndexEntry[];
    masterPublicKey?: string;
}
/**
 * Base class for HD wallets. Derive unlimited child keys from a single secret.
 *
 * Common derivation paths are pre-computed and cached automatically.
 *
 * @typeParam T - The secret type (e.g. {@link Phrase}, {@link Seed}, {@link Xpriv}).
 *
 * @example
 * ```ts
 * const key = await wallet.derive("m/44'/60'/0'/0/0");
 * const pubKey = await wallet.derivePublicKey("m/44'/0'/0'/0/0");
 * ```
 */
export declare abstract class HDWallet<T extends Secret> extends SigningWallet<T> {
    private _publicKey;
    private readonly _derivationIndex;
    /** @internal */
    constructor(secret: T, restoreData?: HDWalletRestoreData);
    private createMasterKey;
    /** @internal */
    protected abstract getKeySource(): HDKeySource;
    /** The master public key as a hex string. */
    get publicKey(): string;
    /** All derivation paths that have been used, with their cached public keys. */
    get derivationIndex(): DerivationIndexEntry[];
    /**
     * Derives only the public key at a given path. Returns cached results when available.
     *
     * @param derivationPath - e.g. `"m/44'/60'/0'/0/0"`.
     */
    derivePublicKey(derivationPath: string): Promise<DerivedPublicKey>;
    /**
     * Derives a full key pair (public + private) at a given path.
     *
     * @param derivationPath - e.g. `"m/44'/60'/0'/0/0"`.
     */
    derive(derivationPath: string): Promise<DerivedKey>;
    /** @inheritdoc */
    serialize(options?: SerializeOptions): Promise<WalletSerialized>;
}