import type { KeyLike, GeneralJWS, JWSHeaderParameters, SignOptions } from '../../types';
import { SignFunction } from '../../runtime/interfaces';
export interface Signature {
    /**
     * Sets the JWS Protected Header on the Signature object.
     *
     * @param protectedHeader JWS Protected Header.
     */
    setProtectedHeader(protectedHeader: JWSHeaderParameters): Signature;
    /**
     * Sets the JWS Unprotected Header on the Signature object.
     *
     * @param unprotectedHeader JWS Unprotected Header.
     */
    setUnprotectedHeader(unprotectedHeader: JWSHeaderParameters): Signature;
    /**
     * Sets the custom sign function on the FlattenedSign object.
     *
     * @param signFunction JWS Signing function
     */
    setSignFunction(signFunction: SignFunction): Signature;
    /** A shorthand for calling addSignature() on the enclosing GeneralSign instance */
    addSignature(...args: Parameters<GeneralSign['addSignature']>): Signature;
    /** A shorthand for calling encrypt() on the enclosing GeneralSign instance */
    sign(...args: Parameters<GeneralSign['sign']>): Promise<GeneralJWS>;
    /** Returns the enclosing GeneralSign */
    done(): GeneralSign;
}
/**
 * The GeneralSign class is used to build and sign General JWS objects.
 *
 * @example Usage
 *
 * ```js
 * const jws = await new jose.GeneralSign(
 *   new TextEncoder().encode('It’s a dangerous business, Frodo, going out your door.'),
 * )
 *   .addSignature(ecPrivateKey)
 *   .setProtectedHeader({ alg: 'ES256' })
 *   .addSignature(rsaPrivateKey)
 *   .setProtectedHeader({ alg: 'PS256' })
 *   .sign()
 *
 * console.log(jws)
 * ```
 */
export declare class GeneralSign {
    private _payload;
    private _signatures;
    /** @param payload Binary representation of the payload to sign. */
    constructor(payload: Uint8Array);
    /**
     * Adds an additional signature for the General JWS object.
     *
     * @param key Private Key or Secret to sign the individual JWS signature with. See
     *   {@link https://github.com/panva/jose/issues/210#jws-alg Algorithm Key Requirements}.
     * @param options JWS Sign options.
     */
    addSignature(key: KeyLike | Uint8Array, options?: SignOptions): Signature;
    /** Signs and resolves the value of the General JWS object. */
    sign(): Promise<GeneralJWS>;
}