import { ASN1Element as _Element, OCTET_STRING } from "asn1-ts";
import * as $ from "asn1-ts/dist/node/functional";
/**
 * @summary MessageDigest
 * @description
 *
 * ### ASN.1 Definition:
 *
 * ```asn1
 * MessageDigest  ::=  OCTET STRING
 * ```
 */
export declare type MessageDigest = OCTET_STRING;
/**
 * @summary Decodes an ASN.1 element into a(n) MessageDigest
 * @function
 * @param {_Element} el The element being decoded.
 * @returns {MessageDigest} The decoded data structure.
 */
export declare function _decode_MessageDigest(el: _Element): Uint8Array;
/**
 * @summary Encodes a(n) MessageDigest into an ASN.1 Element.
 * @function
 * @param {value} el The element being decoded.
 * @param elGetter A function that can be used to get new ASN.1 elements.
 * @returns {_Element} The MessageDigest, encoded as an ASN.1 Element.
 */
export declare function _encode_MessageDigest(value: MessageDigest, elGetter: $.ASN1Encoder<MessageDigest>): _Element;