import type { ISigningRequest } from "../models/ISigningRequest";
import type { ISigningResult } from "../models/ISigningResult";
export default class SigningService {
    /**
     * Signs the message using the identity and method specified.
     *
     * It uses the Ed25519 as the signature algorithm and the hash algorithm passed as parameter.
     *
     * @param request Signing Request.
     * @returns The signature details.
     */
    static sign(request: ISigningRequest): Promise<ISigningResult>;
    /**
     * Calculates the signature.
     * @param privateKey Private key.
     * @param message Message to be signed.
     * @returns The signature value.
     */
    private static calculateSignature;
}