/**
 * Look up an algorithm's descriptor. Throws
 * {@link ErrorCode.UNSUPPORTED_ALGORITHM} for anything not in the table,
 * including the placeholder `'none'` alg.
 *
 * @param {string} alg
 * @returns {AlgDescriptor}
 */
export function lookup(alg: string): AlgDescriptor;
/** Every JOSE algorithm identifier this package supports. */
export const SUPPORTED: readonly string[];
export type AlgDescriptor = import("@exortek/shared/algorithms").AlgDescriptor;