import { ASN1Element as _Element, INTEGER, OCTET_STRING, OPTIONAL } from "asn1-ts";
import * as $ from "asn1-ts/dist/node/functional";
import { AlgorithmIdentifier } from "x500-ts/dist/node/modules/AuthenticationFramework/AlgorithmIdentifier.ta";
import { Attributes } from "../PKIXCRMF-2009/Attributes.ta";
export declare class PrivateKeyInfo {
    readonly version: INTEGER;
    readonly privateKeyAlgorithm: AlgorithmIdentifier;
    readonly privateKey: OCTET_STRING;
    readonly attributes: OPTIONAL<Attributes>;
    constructor(version: INTEGER, privateKeyAlgorithm: AlgorithmIdentifier, privateKey: OCTET_STRING, attributes: OPTIONAL<Attributes>);
    static _from_object(_o: {
        [_K in keyof PrivateKeyInfo]: PrivateKeyInfo[_K];
    }): PrivateKeyInfo;
}
export declare const _root_component_type_list_1_spec_for_PrivateKeyInfo: $.ComponentSpec[];
export declare const _root_component_type_list_2_spec_for_PrivateKeyInfo: $.ComponentSpec[];
export declare const _extension_additions_list_spec_for_PrivateKeyInfo: $.ComponentSpec[];
export declare function _decode_PrivateKeyInfo(el: _Element): PrivateKeyInfo;
export declare function _encode_PrivateKeyInfo(value: PrivateKeyInfo, elGetter: $.ASN1Encoder<PrivateKeyInfo>): _Element;
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