import { CoseProtectedHeaders, CoseUnprotectedHeaders } from "../cose";
/**
 * Extract kid
 *
 * @param protectedHeaders
 * @param unprotectedHeaders
 */
export declare const extractKid: (protectedHeaders: CoseProtectedHeaders, unprotectedHeaders: CoseUnprotectedHeaders) => string;
/**
 * Extract algorithm
 *
 * @param protectedHeaders
 * @param unprotectedHeaders
 */
export declare const extractAlgorithm: (protectedHeaders: CoseProtectedHeaders, unprotectedHeaders: CoseUnprotectedHeaders) => number;