import { ASN1Element as _Element } from '@wildboar/asn1';
import * as $ from '@wildboar/asn1/functional';
import { User_information } from '../ACSE-1/User-information.ta.mjs';
import { Simply_encoded_data } from '../ACSE-1/Simply-encoded-data.ta.mjs';
import { PDV_list } from '../ACSE-1/PDV-list.ta.mjs';
/**
 * @summary User_Data
 * @description
 *
 * ### ASN.1 Definition:
 *
 * ```asn1
 * User-Data  ::=  CHOICE {
 *   user-information     User-information,
 *   simply-encoded-data  Simply-encoded-data,
 *   fully-encoded-data   [0]  PDV-list
 * }
 * ```
 */
export type User_Data = {
    user_information: User_information;
} | {
    simply_encoded_data: Simply_encoded_data;
} | {
    fully_encoded_data: PDV_list;
};
/**
 * @summary Decodes an ASN.1 element into a(n) User_Data
 * @function
 * @param {_Element} el The element being decoded.
 * @returns {User_Data} The decoded data structure.
 */
export declare function _decode_User_Data(el: _Element): User_Data;
/**
 * @summary Encodes a(n) User_Data 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 User_Data, encoded as an ASN.1 Element.
 */
export declare function _encode_User_Data(value: User_Data, elGetter: $.ASN1Encoder<User_Data>): _Element;
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