export default class DevToolsManager {
    private static devToolsManager?;
    private monitoringTimer;
    private isDevtoolOpened;
    private consoleDirection;
    private threshold;
    private constructor();
    static sharedInstance(): DevToolsManager;
    startMonitoringDevTools(eventListener: (isOpened: boolean, orientation: string) => any): void;
    stopMonitoringDevTools(): void;
    private monitoringTimerHandler;
}