/// <reference types="node" />
import { Buffer } from 'buffer';
import { Struct } from './utils/borsh-schema.js';
/**
 * Maximum length of derived pubkey seed
 */
export declare const MAX_SEED_LENGTH = 32;
/**
 * Size of public key in bytes
 */
export declare const PUBLIC_KEY_LENGTH = 32;
/**
 * Value to be converted into public key
 */
export declare type PublicKeyInitData = number | string | Uint8Array | Array<number> | PublicKeyData;
/**
 * JSON object representation of PublicKey class
 */
export declare type PublicKeyData = {};
/**
 * A public key
 */
export declare class PublicKey extends Struct {
    /**
     * Create a new PublicKey object
     * @param value ed25519 public key as buffer or base-58 encoded string
     */
    constructor(value: PublicKeyInitData);
    /**
     * Returns a unique PublicKey for tests and benchmarks using acounter
     */
    static unique(): PublicKey;
    /**
     * Default public key value. (All zeros)
     */
    static default: PublicKey;
    /**
     * Checks if two publicKeys are equal
     */
    equals(publicKey: PublicKey): boolean;
    /**
     * Return the base-58 representation of the public key
     */
    toBase58(): string;
    toJSON(): string;
    /**
     * Return the byte array representation of the public key
     */
    toBytes(): Uint8Array;
    /**
     * Return the Buffer representation of the public key
     */
    toBuffer(): Buffer;
    /**
     * Return the base-58 representation of the public key
     */
    toString(): string;
    /**
     * Derive a public key from another key, a seed, and a program ID.
     * The program ID will also serve as the owner of the public key, giving
     * it permission to write data to the account.
     */
    static createWithSeed(fromPublicKey: PublicKey, seed: string, programId: PublicKey): Promise<PublicKey>;
    /**
     * Derive a program address from seeds and a program ID.
     */
    static createProgramAddressSync(seeds: Array<Buffer | Uint8Array>, programId: PublicKey): PublicKey;
    /**
     * Async version of createProgramAddressSync
     * For backwards compatibility
     */
    static createProgramAddress(seeds: Array<Buffer | Uint8Array>, programId: PublicKey): Promise<PublicKey>;
    /**
     * Find a valid program address
     *
     * Valid program addresses must fall off the ed25519 curve.  This function
     * iterates a nonce until it finds one that when combined with the seeds
     * results in a valid program address.
     */
    static findProgramAddressSync(seeds: Array<Buffer | Uint8Array>, programId: PublicKey): [PublicKey, number];
    /**
     * Async version of findProgramAddressSync
     * For backwards compatibility
     */
    static findProgramAddress(seeds: Array<Buffer | Uint8Array>, programId: PublicKey): Promise<[PublicKey, number]>;
    /**
     * Check that a pubkey is on the ed25519 curve.
     */
    static isOnCurve(pubkeyData: PublicKeyInitData): boolean;
}