import { Message } from './types';
export declare class DimSumAuth {
    private static instance;
    private constructor();
    static getInstance(): DimSumAuth;
    private readonly AUTH_HOST;
    private readonly WHITELIST_WIDGETS;
    private readonly MAX_RETRY_COUNT;
    private authenticatedPlatformAndRoomId?;
    private isPiracy;
    private retryCount;
    private updateWidgetId;
    private checkAuthentication;
    passMessage(message: Message): Message;
}