/**
 * Specify the discoverability of a registered service. When true (default), the session's
 * `discoverServices()` call will return an entry for this service. When false,
 * the service will not be listed.
 *
 * @param discoverable Whether the service should be discoverable
 * @returns
 */
export declare function Discoverable(discoverable?: boolean): (target: any) => void;