declare enum VisibilityState {
    visible = "visible",
    hidden = "hidden",
    prerender = "prerender",
    unloaded = "unloaded"
}
export declare function isBrowserTabActive(): boolean;
export declare function getBrowserTabVisibilityState(): VisibilityState;
export declare function onBrowserTabVisibilityChange({ onActivatedHandler, onDeactivatedHandler, }: {
    onActivatedHandler?: () => void;
    onDeactivatedHandler?: () => void;
}): TStopListening;
export declare type TStopListening = () => void;
export {};