import type { IJwk } from "@twin.org/web";
import type { IMultikey } from "../models/IMultikey.js";
/**
 * Helper methods for multikey.
 */
export declare class MultikeyHelper {
    /**
     * Runtime name for the class.
     */
    static readonly CLASS_NAME: string;
    /**
     * Convert a multikey to a JWK.
     * @param multikey The multikey to convert.
     * @returns The JWK.
     * @throws GeneralError if the multikey is invalid.
     */
    static toJwk(multikey: IMultikey): IJwk;
    /**
     * Convert a JWK to a Multikey.
     * @param controller The controller of the multikey.
     * @param id The id of the multikey.
     * @param jwk The jwk to convert.
     * @returns The multikey.
     * @throws GeneralError if the jwk is invalid.
     */
    static fromJwk(controller: string, id: string, jwk: IJwk): IMultikey;
    /**
     * Convert a multikey to raw keys.
     * @param multikey The multikey to convert.
     * @returns The JWK.
     * @throws GeneralError if the multikey is invalid.
     */
    static toRaw(multikey: IMultikey): {
        publicKey: Uint8Array;
        privateKey: Uint8Array;
    };
}