/// <reference types="node" />
import { AddressFormat, DefaultKeys, KeyPairOptions, Secp256k1ExtendedKeyPair } from '@aloe2/sdk-core';
/**
 * Tron keys and address management.
 */
export declare class KeyPair extends Secp256k1ExtendedKeyPair {
    /**
     * Public constructor. By default, creates a key pair with a random master seed.
     *
     * @param {KeyPairOptions} source Either a master seed, a private key (extended or raw), or a public key
     *     (extended, compressed, or uncompressed)
     */
    constructor(source?: KeyPairOptions);
    /**
     * Tron default keys format is raw private and uncompressed public key
     *
     * @returns {DefaultKeys} The keys in the protocol default key format
     */
    getKeys(): DefaultKeys;
    /**
     * Get a public address in the specified format, or in base58 if none is provided.
     *
     * @param {AddressFormat} format The address specified format
     * @returns {string} The public address in the specified format
     */
    getAddress(format?: AddressFormat): string;
    /**
     * Generates a signature for an arbitrary string with the current private key using keccak256
     * hashing algorithm. Throws if there is no private key.
     *
     * @param {string} message to produce a signature for
     * @returns {Buffer} The signature as a buffer
     */
    signMessage(message: string): Buffer;
    /**
     * Verifies a message signature using the current public key.
     *
     * @param {string} message signed
     * @param {Buffer} signature to verify
     * @returns {boolean} True if the message was signed with the current key pair
     */
    verifySignature(message: string, signature: Buffer): boolean;
}
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