import { ExtKeyNativePtr } from "../api/ExtKeyNative";
import { BaseApi } from "./BaseApi";
export declare class ExtKey extends BaseApi {
    private native;
    ptr: ExtKeyNativePtr;
    private static freeExtKey;
    /**
     * Creates ExtKey from given seed.
     * @param {Uint8Array} seed the seed used to generate Key
     * @returns {ExtKey} object
     */
    static fromSeed(seed: Uint8Array): Promise<ExtKey>;
    /**
     * Decodes ExtKey from Base58 format.
     *
     * @param {string} base58 the ExtKey in Base58
     * @returns {ExtKey} object
     */
    static fromBase58(base58: string): Promise<ExtKey>;
    /**
     * Generates a new ExtKey.
     *
     * @returns {ExtKey} object
     */
    static generateRandom(): Promise<ExtKey>;
    /**
     * //doc-gen:ignore
     */
    private constructor();
    static fromPtr(ptr: ExtKeyNativePtr): ExtKey;
    /**
     * Generates child ExtKey from a current ExtKey using BIP32.
     *
     * @param {number} index number from 0 to 2^31-1

     * @returns {ExtKey} object
     */
    derive(index: number): Promise<ExtKey>;
    /**
     * Generates hardened child ExtKey from a current ExtKey using BIP32.
     *
     * @param {number} index number from 0 to 2^31-1

     * @returns {ExtKey} object
     */
    deriveHardened(index: number): Promise<ExtKey>;
    /**
     * Converts ExtKey to Base58 string.
     *
     * @returns {string} ExtKey in Base58 format
     */
    getPrivatePartAsBase58(): Promise<string>;
    /**
     * Converts the public part of ExtKey to Base58 string.
     *
     * @returns {string} ExtKey in Base58 format
     */
    getPublicPartAsBase58(): Promise<string>;
    /**
     * Extracts ECC PrivateKey.
     *
     * @returns {string} ECC key in WIF format
     */
    getPrivateKey(): Promise<string>;
    /**
     * Extracts ECC PublicKey.
     *
     * @returns {string} ECC key in BASE58DER format
     */
    getPublicKey(): Promise<string>;
    /**
     * Extracts raw ECC PrivateKey.
     *
     * @returns {Uint8Array} ECC PrivateKey
     */
    getPrivateEncKey(): Promise<Uint8Array>;
    /**
     * Extracts ECC PublicKey Address.
     *
     * @returns {string} ECC Address in BASE58 format
     */
    getPublicKeyAsBase58Address(): Promise<string>;
    /**
     * Gets the chain code of Extended Key.
     *
     * @returns {Uint8Array} Raw chain code
     */
    getChainCode(): Promise<Uint8Array>;
    /**
     * Validates a signature of a message.
     *
     * @param {Uint8Array} message data used on validation
     * @param {Uint8Array} signature signature of data to verify
     * @returns {boolean} message validation result
     */
    verifyCompactSignatureWithHash(message: Uint8Array, signature: Uint8Array): Promise<boolean>;
    /**
     * Checks if ExtKey is Private.
     *
     * @returns {boolean} true if ExtKey is private
     */
    isPrivate(): Promise<boolean>;
}