/// <reference types="node" />
import { Buffer } from 'buffer';
import { PublicKey } from './publickey.js';
export declare const VALIDATOR_INFO_KEY: PublicKey;
/**
 * Info used to identity validators.
 */
export declare type Info = {
    /** validator name */
    name: string;
    /** optional, validator website */
    website?: string;
    /** optional, extra information the validator chose to share */
    details?: string;
    /** optional, used to identify validators on keybase.io */
    keybaseUsername?: string;
};
/**
 * ValidatorInfo class
 */
export declare class ValidatorInfo {
    /**
     * validator public key
     */
    key: PublicKey;
    /**
     * validator information
     */
    info: Info;
    /**
     * Construct a valid ValidatorInfo
     *
     * @param key validator public key
     * @param info validator information
     */
    constructor(key: PublicKey, info: Info);
    /**
     * Deserialize ValidatorInfo from the config account data. Exactly two config
     * keys are required in the data.
     *
     * @param buffer config account data
     * @return null if info was not found
     */
    static fromConfigData(buffer: Buffer | Uint8Array | Array<number>): ValidatorInfo | null;
}