import { DDO, ServiceSecondary } from '../../ddo';
import { DID } from '../../nevermined';
import { MarketplaceApi } from './MarketplaceAPI';
import { SearchQuery } from '../../common/interfaces';
export interface QueryResult {
    results: DDO[];
    page: number;
    totalPages: number;
    totalResults: {
        [jsonPath: string]: any;
    };
}
export type EncryptionMethod = 'PSK-RSA' | 'PSK-ECDSA';
export interface DDOStatus {
    internal: {
        id: string;
        type: string;
        status: string;
        url: string;
    };
    external: {
        id: string;
        type: string;
        status: string;
        url: string;
    };
}
export interface AuthToken {
    access_token: string;
}
export declare class MetadataService extends MarketplaceApi {
    getVersionInfo(): Promise<any>;
    getAccessUrl(accessToken: any, payload: any): Promise<string>;
    queryMetadata(query: SearchQuery): Promise<QueryResult>;
    queryServiceMetadata(query: {
        [property: string]: string | number | string[] | number[] | object;
    }): Promise<ServiceSecondary[]>;
    updateDDO(did: DID | string, ddo: DDO): Promise<DDO>;
    storeDDO(ddo: DDO): Promise<DDO>;
    private retrieveDDO;
    retrieveDDOFromImmutableBackend(immutableUrl: string): Promise<DDO>;
    delete(did: DID | string): Promise<import("node-fetch").Response>;
    retrieveDDOByUrl(metadataServiceEndpoint?: string): Promise<DDO>;
    status(did: DID | string, metadataServiceEndpoint?: string): Promise<DDOStatus>;
    retrieveService(agreementId: string, metadataServiceEndpoint?: string): Promise<ServiceSecondary>;
    storeService(agreementId: string, agreement: ServiceSecondary): Promise<ServiceSecondary>;
    getServiceEndpoint(did: DID): string;
}