import { ASN1Element as _Element } from '@wildboar/asn1';
import * as $ from '@wildboar/asn1/functional';
import { Attribute } from '../CMIP-1/Attribute.ta.mjs';
import { FilterItem_substrings_Item } from '../CMIP-1/FilterItem-substrings-Item.ta.mjs';
import { AttributeId } from '../CMIP-1/AttributeId.ta.mjs';
/**
 * @summary FilterItem
 * @description
 *
 * ### ASN.1 Definition:
 *
 * ```asn1
 * FilterItem  ::=  CHOICE {
 *   equality                [0] IMPLICIT Attribute,
 *   substrings
 *     [1] IMPLICIT SEQUENCE OF
 *                    CHOICE {initialString  [0] IMPLICIT Attribute,
 *                            anyString      [1] IMPLICIT Attribute,
 *                            finalString    [2] IMPLICIT Attribute},
 *   greaterOrEqual          [2] IMPLICIT Attribute, -- asserted value ? attribute value
 *   lessOrEqual             [3] IMPLICIT Attribute, -- asserted value <= attribute value
 *   present                 [4]  AttributeId,
 *   subsetOf                [5] IMPLICIT Attribute, -- asserted value is a subset of attribute value
 *   supersetOf              [6] IMPLICIT Attribute, -- asserted value is a superset of attribute value
 *   nonNullSetIntersection  [7] IMPLICIT Attribute
 * }
 * ```
 */
export type FilterItem = {
    equality: Attribute;
} | {
    substrings: FilterItem_substrings_Item[];
} | {
    greaterOrEqual: Attribute;
} | {
    lessOrEqual: Attribute;
} | {
    present: AttributeId;
} | {
    subsetOf: Attribute;
} | {
    supersetOf: Attribute;
} | {
    nonNullSetIntersection: Attribute;
};
/**
 * @summary Decodes an ASN.1 element into a(n) FilterItem
 * @function
 * @param {_Element} el The element being decoded.
 * @returns {FilterItem} The decoded data structure.
 */
export declare function _decode_FilterItem(el: _Element): FilterItem;
/**
 * @summary Encodes a(n) FilterItem 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 FilterItem, encoded as an ASN.1 Element.
 */
export declare function _encode_FilterItem(value: FilterItem, elGetter: $.ASN1Encoder<FilterItem>): _Element;
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