import Identifier from '../Identifier';
import Commit from '../hubSession/Commit';
import HubObjectQueryRequest from '../hubSession/requests/HubObjectQueryRequest';
import HubCommitQueryRequest from '../hubSession/requests/HubCommitQueryRequest';
import ProtectionStrategy from '../crypto/strategies/ProtectionStrategy';
import { CryptoOptions, HubObject, PublicKey } from '..';
/**
 * Class for defining options for the
 * HubClient, such as hub Identifier and client Identifier.
 */
export declare class HubClientOptions {
    /**
     * The Identifier of the owner of the hub.
     */
    hubOwner: Identifier | undefined;
    /**
     * The Identifier of the Client that wants to start hub session.
     */
    clientIdentifier: Identifier | undefined;
    /**
     * The public keys used for encrypting the payload
     */
    recipientsPublicKeys: PublicKey[] | undefined;
    /**
     * Defines the protection strategy that will be used to protect the commit.
     */
    hubProtectionStrategy: ProtectionStrategy | undefined;
    /**
     * Crypto Options
     * contains algorithm and other data about crypto
     */
    cryptoOptions: CryptoOptions;
}
/**
 * Interface for HubClient class that manages which hub instance to create hub session with
 * And commits and queries for objects in the hub session.
 */
export default interface IHubClient {
    /**
     * Signs and sends a commit to the hub owner's hub.
     * @param commit
     */
    commit(commit: Commit): Promise<any>;
    /**
    * Query Objects of certain type in Hub.
    * @param queryRequest object that tells the hub what object to get.
    */
    queryObjects(queryRequest: HubObjectQueryRequest): Promise<HubObject[]>;
    /**
   * Query Object specified by certain id
   * @param commitQueryRequest HubCommitQueryRequest object to request object of specific id.
   * @param hubObject a HubObject containing metadata such as object id.
   */
    queryObject(commitQueryRequest: HubCommitQueryRequest, hubObject: HubObject): Promise<HubObject>;
}