import { Timestamp } from "@hashgraph/sdk";
import { Issuer } from "./issuer";
/**
 * The part of the VC document that is used for hash calculation.
 */
export declare class HcsVcDocumentHashBase {
    protected id: string;
    protected type: string[];
    protected issuer: Issuer;
    protected issuanceDate: Timestamp;
    /**
     * Creates a new VC document instance.
     */
    constructor();
    toJsonTree(): any;
    static fromJsonTree(root: any, result?: HcsVcDocumentHashBase): HcsVcDocumentHashBase;
    toJSON(): string;
    static fromJson(json: string): HcsVcDocumentHashBase;
}