import { FgFunctionsAPI } from './apis/functions-api';
import { FgIdentityAPI } from './apis/identity-api';
import { FgLeaderboardAPI } from './apis/leaderboard-api';
import { FgLoggerAPI } from './apis/logger-api';
import { FgStorageAPI } from './apis/storage-api';
import { FgStorageFilesAPI } from './apis/storage-files-api';
import { FgStorageKdbAPI } from './apis/storage-kdb-api';
import { FgStoreAPI } from './apis/store-api';
import { IStorageConnectionCredentials } from './interfaces/storage-connection-credentials.interface';
import { IdentitySessionManager } from './managers/identity-session.manager';
export declare class Nexus {
    /**
     * @type {Nexus}
     */
    static instance: Nexus;
    private _requestDriver;
    private _encryptionDriver;
    private _environment;
    private _timeout;
    private _credentialsMgr;
    private _credentials;
    private _keys;
    private _baseUrl;
    constructor(opts: any);
    get isProduction(): boolean;
    get credentialTokenForLogin(): string | null;
    get credentialToken(): string | null;
    login(): Promise<void>;
    logout(): void;
    getKdb(dbCredentials: IStorageConnectionCredentials): FgStorageKdbAPI;
    getFiles(dbCredentials: IStorageConnectionCredentials): FgStorageFilesAPI;
    /**
     * Logger API.
     * @returns {FgLoggerAPI}
     */
    getLogger(): FgLoggerAPI;
    /**
     * Identity API.
     * @returns {FgIdentityAPI}
     */
    getIdentity(): FgIdentityAPI;
    /**
     * Store API.
     * @returns {FgStoreAPI}
     */
    getStore(): FgStoreAPI;
    /**
     * Functions API.
     * @returns {FgFunctionsAPI}
     */
    getFunctions(): FgFunctionsAPI;
    /**
     * Store API.
     * @returns {FgStorageAPI}
     */
    getStorage(): FgStorageAPI;
    /**
     * Leaderboard API.
     * @returns {FgLeaderboardAPI}
     */
    getLeaderboard(): FgLeaderboardAPI;
    getIdentitySessionManager(): IdentitySessionManager;
    private _createKdbAPIConstructorParams;
    private _createInstance;
}
/**
 * @deprecated Use 'Nexus' instead of 'FgAPI'.
 */
export declare const FgAPI: typeof Nexus;