import { ASN1Element as _Element, GeneralizedTime } from "@wildboar/asn1";
import * as $ from "@wildboar/asn1/functional";
import { ReferencedValue } from "../PKCS-15/ReferencedValue.ta.mjs";
/**
 * @summary LastUpdate
 * @description
 *
 * ### ASN.1 Definition:
 *
 * ```asn1
 * LastUpdate  ::=  CHOICE {
 *     generalizedTime GeneralizedTime,
 *     referencedTime ReferencedValue {GeneralizedTime},
 *     ...
 * }
 * ```
 */
export type LastUpdate = {
    generalizedTime: GeneralizedTime;
} | {
    referencedTime: ReferencedValue<GeneralizedTime>;
} | _Element;
/**
 * @summary Decodes an ASN.1 element into a(n) LastUpdate
 * @function
 * @param {_Element} el The element being decoded.
 * @returns {LastUpdate} The decoded data structure.
 */
export declare function _decode_LastUpdate(el: _Element): LastUpdate;
/**
 * @summary Encodes a(n) LastUpdate into an ASN.1 Element.
 * @function
 * @param value The element being encoded.
 * @param elGetter A function that can be used to get new ASN.1 elements.
 * @returns {_Element} The LastUpdate, encoded as an ASN.1 Element.
 */
export declare function _encode_LastUpdate(value: LastUpdate, elGetter: $.ASN1Encoder<LastUpdate>): _Element;
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