import { Nevermined, Account } from '../nevermined';
import { Authentication, PublicKey, Service, ServiceType, MetaData, MetaDataMain, NvmConfig, Proof } from './types';
import { DIDRegistry } from '../keeper';
import { NFTAttributes } from '../models';
import { BigNumber } from '../utils';
export declare class DDO {
    static serialize(ddo: DDO): string;
    static deserialize(ddoString: string): DDO;
    static createAuthorizationService(neverminedNodeUri: string, publicKey: string, method: string): import("./types").ServiceCommon;
    '@context': string;
    id: string;
    didSeed: string;
    _nvm: NvmConfig;
    created: string;
    updated?: string;
    publicKey: PublicKey[];
    authentication: Authentication[];
    service: Service[];
    proof: Proof;
    constructor(ddo?: Partial<DDO>);
    static getInstance(userId: string, publisherAddress: string, appId?: string): DDO;
    shortId(): string;
    findServiceById<T extends ServiceType>(index: number): Service<T>;
    findServiceByType<T extends ServiceType>(serviceType: T): Service<T>;
    getPriceByService(serviceType?: ServiceType): BigNumber;
    checksum(seed: string): string;
    generateProof(publicKey: string): Promise<Proof>;
    getProofChecksum(): string;
    addProof(publicKey: string): Promise<void>;
    addService(service: any): Promise<void>;
    replaceService(index: number, service: any): Promise<void>;
    addDefaultMetadataService(metadata: MetaData, nftAttributes?: NFTAttributes): Promise<MetaDataMain>;
    updateService(nevermined: Nevermined, service: any): Promise<void>;
    assignDid(didSeed: string, didRegistry: DIDRegistry, publisher: Account): Promise<void>;
    generateDidSeed(seed: any): Promise<string>;
    addSignature(nevermined: Nevermined, publicKey: string): Promise<void>;
}