/// <reference types="node" />
/**
 * StrKey is a helper class that allows encoding and decoding strkey.
 */
export declare class StrKey {
    /**
     * Encodes data to strkey ed25519 public key.
     * @param {Buffer} data data to encode
     * @returns {string}
     */
    static encodeEd25519PublicKey(data: any): any;
    /**
     * Decodes strkey ed25519 public key to raw data.
     * @param {string} data data to decode
     * @returns {Buffer}
     */
    static decodeEd25519PublicKey(data: any): Buffer;
    /**
     * Returns true if the given Stellar public key is a valid ed25519 public key.
     * @param {string} publicKey public key to check
     * @returns {boolean}
     */
    static isValidEd25519PublicKey(publicKey: any): boolean;
    /**
     * Encodes data to strkey ed25519 seed.
     * @param {Buffer} data data to encode
     * @returns {string}
     */
    static encodeEd25519SecretSeed(data: any): any;
    /**
     * Decodes strkey ed25519 seed to raw data.
     * @param {string} data data to decode
     * @returns {Buffer}
     */
    static decodeEd25519SecretSeed(data: any): Buffer;
    /**
     * Returns true if the given Stellar secret key is a valid ed25519 secret seed.
     * @param {string} seed seed to check
     * @returns {boolean}
     */
    static isValidEd25519SecretSeed(seed: any): boolean;
    /**
     * Encodes data to strkey preAuthTx.
     * @param {Buffer} data data to encode
     * @returns {string}
     */
    static encodePreAuthTx(data: any): any;
    /**
     * Decodes strkey PreAuthTx to raw data.
     * @param {string} data data to decode
     * @returns {Buffer}
     */
    static decodePreAuthTx(data: any): Buffer;
    /**
     * Encodes data to strkey sha256 hash.
     * @param {Buffer} data data to encode
     * @returns {string}
     */
    static encodeSha256Hash(data: any): any;
    /**
     * Decodes strkey sha256 hash to raw data.
     * @param {string} data data to decode
     * @returns {Buffer}
     */
    static decodeSha256Hash(data: any): Buffer;
}
export declare function decodeCheck(versionByteName: any, encoded: any): Buffer;
export declare function encodeCheck(versionByteName: any, data: any): any;