/** @typedef {import('node:crypto').KeyObject} KeyObject */
/**
 * @typedef {Object} ImportJWKOptions
 * @property {string} [alg] intended JOSE algorithm identifier — currently informational (Node ignores it in key import)
 */
/**
 * Convert a JWK into a `KeyObject`. JWKs with `d` (or `k` for `oct`)
 * yield a private / secret KeyObject; public JWKs yield a public one.
 *
 * @param {object} jwk
 * @param {ImportJWKOptions} [_options]
 * @returns {Promise<KeyObject>}
 */
declare function importJWK(jwk: object, _options?: ImportJWKOptions): Promise<KeyObject>;
/**
 * @typedef {'spki' | 'pkcs8' | 'x509'} PemFormat
 */
/**
 * Import a PEM- or DER-encoded key.
 *
 *   - `'spki'`  → public key (SubjectPublicKeyInfo)
 *   - `'pkcs8'` → private key (PrivateKeyInfo)
 *   - `'x509'`  → public key extracted from an X.509 certificate
 *
 * When `pemOrDer` is a `Buffer`, the input is treated as DER; strings
 * are PEM.
 *
 * @param {string | Buffer} pemOrDer
 * @param {PemFormat} [format='spki']
 * @returns {Promise<KeyObject>}
 */
declare function importPEM(pemOrDer: string | Buffer, format?: PemFormat): Promise<KeyObject>;
type KeyObject = any;
type ImportJWKOptions = {
    /**
     * intended JOSE algorithm identifier — currently informational (Node ignores it in key import)
     */
    alg?: string | undefined;
};
type PemFormat = "spki" | "pkcs8" | "x509";

export { importJWK, importPEM };
export type { ImportJWKOptions, KeyObject, PemFormat };