/// <reference types="node" />
import * as Http from 'http';
import SocketClient from './SocketClient';
import { StateConfiguration } from './State';
interface StateSyncerConfiguration {
    cert: Buffer;
    key: Buffer;
}
export default class StateSyncer<T, K> {
    private webSocketServer;
    private externalServer;
    private stateManager;
    constructor(ssl?: StateSyncerConfiguration);
    private onUpgrade;
    private onConnection;
    private _authenticateClient;
    useAuthorizationMiddleware: (middleWare: (_: Http.IncomingMessage, callback: (clientInformation: K, success: boolean) => void) => void) => void;
    createState: (config: StateConfiguration<T, K>, identifier?: string | undefined) => string | null;
    removeState: (stateIdentifier: string) => boolean;
    removeAllStates: () => void;
    connectToState: (socketClient: SocketClient<T, K>, stateIdentifier: string) => void;
    getValueOfState: (stateIdentifier: string) => T | undefined;
    updateStateValue: (stateIdentifier: string, updates: Partial<T>, clientInformation: K) => Boolean;
    start: (port: number) => Promise<void | Error>;
}
export {};