import { ASN1Element as _Element, OPTIONAL } from "@wildboar/asn1";
import * as $ from "@wildboar/asn1/functional";
import { Content } from "../CMSSigncryption/Content.ta.mjs";
import { Mode } from "../CMSSigncryption/Mode.ta.mjs";
/**
 * @summary ContentInformation
 * @description
 *
 * ### ASN.1 Definition:
 *
 * ```asn1
 * ContentInformation ::= SEQUENCE {
 * mode         Mode,
 * content    Content OPTIONAL
 * }
 * ```
 *
 */
export declare class ContentInformation {
    /**
     * @summary `mode`.
     * @public
     * @readonly
     */
    readonly mode: Mode;
    /**
     * @summary `content`.
     * @public
     * @readonly
     */
    readonly content?: OPTIONAL<Content>;
    constructor(
    /**
     * @summary `mode`.
     * @public
     * @readonly
     */
    mode: Mode, 
    /**
     * @summary `content`.
     * @public
     * @readonly
     */
    content?: OPTIONAL<Content>);
    /**
     * @summary Restructures an object into a ContentInformation
     * @description
     *
     * This takes an `object` and converts it to a `ContentInformation`.
     *
     * @public
     * @static
     * @method
     * @param {Object} _o An object having all of the keys and values of a `ContentInformation`.
     * @returns {ContentInformation}
     */
    static _from_object(_o: {
        [_K in keyof ContentInformation]: ContentInformation[_K];
    }): ContentInformation;
}
/**
 * @summary The Leading Root Component Types of ContentInformation
 * @description
 *
 * This is an array of `ComponentSpec`s that define how to decode the leading root component type list of a SET or SEQUENCE.
 *
 * @constant
 */
export declare const _root_component_type_list_1_spec_for_ContentInformation: $.ComponentSpec[];
/**
 * @summary The Trailing Root Component Types of ContentInformation
 * @description
 *
 * This is an array of `ComponentSpec`s that define how to decode the trailing root component type list of a SET or SEQUENCE.
 *
 * @constant
 */
export declare const _root_component_type_list_2_spec_for_ContentInformation: $.ComponentSpec[];
/**
 * @summary The Extension Addition Component Types of ContentInformation
 * @description
 *
 * This is an array of `ComponentSpec`s that define how to decode the extension addition component type list of a SET or SEQUENCE.
 *
 * @constant
 */
export declare const _extension_additions_list_spec_for_ContentInformation: $.ComponentSpec[];
/**
 * @summary Decodes an ASN.1 element into a(n) ContentInformation
 * @function
 * @param {_Element} el The element being decoded.
 * @returns {ContentInformation} The decoded data structure.
 */
export declare function _decode_ContentInformation(el: _Element): ContentInformation;
/**
 * @summary Encodes a(n) ContentInformation 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 ContentInformation, encoded as an ASN.1 Element.
 */
export declare function _encode_ContentInformation(value: ContentInformation, elGetter: $.ASN1Encoder<ContentInformation>): _Element;
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