import { IBinary, IEventJSON, ISigner, TKeyType } from '../types';
import EventChain from './EventChain';
import Binary from '../Binary';
export default class Event {
    private version;
    /** Meta type of the data */
    mediaType: string;
    /** Data of the event */
    data: IBinary;
    /** Time when the event was signed */
    timestamp?: number;
    /** Hash to the previous event */
    previous?: IBinary;
    /** key and its type used to sign the event */
    signKey?: {
        keyType: TKeyType;
        publicKey: IBinary;
    };
    /** Signature of the event */
    signature?: IBinary;
    /** Hash (see dynamic property) */
    private _hash?;
    /** Hash of attachments related to the event */
    readonly attachments: Array<{
        name: string;
        mediaType: string;
        data: IBinary;
    }>;
    constructor(data: any, mediaType?: string, previous?: string | Uint8Array);
    addAttachment(name: string, data: any, mediaType?: string): void;
    private _setData;
    get hash(): Binary;
    toBinary(): Uint8Array;
    private toBinaryV1;
    private toBinaryV2;
    verifySignature(): boolean;
    verifyHash(): boolean;
    signWith(account: ISigner): this;
    addTo(chain: EventChain): this;
    isSigned(): boolean;
    get parsedData(): any;
    toJSON(): IEventJSON;
    static from(data: IEventJSON, version?: number): Event;
}