/**
 * Specifies the retention policy for the objects stored in the bucket. Possible values are:
 *
 * - ``transient`` - Objects are retained for 24 hours.
 * - ``temporary`` - Objects are retained for 30 days.
 * - ``persistent`` - Objects are retained until they are deleted.
 * @export
 * @enum {string}
 */
export declare const PolicyKey: {
    readonly Transient: "transient";
    readonly Temporary: "temporary";
    readonly Persistent: "persistent";
};
export type PolicyKey = typeof PolicyKey[keyof typeof PolicyKey];