import { AppInstallAlertData } from './interfaces';
export declare class SallaAppInstallAlert {
    alertDelay: NodeJS.Timeout;
    connectedCallback(): void;
    disconnectedCallback(): void;
    data: AppInstallAlertData | null;
    ctaLink: string;
    open: boolean;
    closing: boolean;
    private host;
    /**
     * Check if the website opens from mobile or tablet devices only (android/ios).
     * Uses matchMedia instead of window.innerWidth to avoid forced reflow (Lighthouse/PageSpeed).
     * Guards against SSR/non-browser contexts (window, navigator, document).
     *
     * @param {number} screen the width of the biggest screen to be checked (default 1024)
     * @returns {boolean} true if it is mobile or tablet else false
     */
    private isMobileOrTabletDevice;
    closeAlert(): void;
    private shouldShowAlert;
    render(): any;
}