import { ASN1Element as _Element } from "@wildboar/asn1";
import * as $ from "@wildboar/asn1/functional";
import { DataObject } from "../PKCS-15/DataObject.ta.mjs";
import { ExternalIDO } from "../PKCS-15/ExternalIDO.ta.mjs";
import { OidDO } from "../PKCS-15/OidDO.ta.mjs";
import { Opaque } from "../PKCS-15/Opaque.ta.mjs";
/**
 * @summary DataType
 * @description
 *
 * ### ASN.1 Definition:
 *
 * ```asn1
 * DataType  ::=  CHOICE {
 *     opaqueDO DataObject {Opaque},
 *     externalIDO [0] DataObject {ExternalIDO},
 *     oidDO  [1] DataObject {OidDO},
 *     ... -- For future extensions
 * }
 * ```
 */
export type DataType = {
    opaqueDO: DataObject<Opaque>;
} | {
    externalIDO: DataObject<ExternalIDO>;
} | {
    oidDO: DataObject<OidDO>;
} | _Element;
/**
 * @summary Decodes an ASN.1 element into a(n) DataType
 * @function
 * @param {_Element} el The element being decoded.
 * @returns {DataType} The decoded data structure.
 */
export declare function _decode_DataType(el: _Element): DataType;
/**
 * @summary Encodes a(n) DataType 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 DataType, encoded as an ASN.1 Element.
 */
export declare function _encode_DataType(value: DataType, elGetter: $.ASN1Encoder<DataType>): _Element;
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