export default class Modal {
    protected mountEl: HTMLElement;
    modalContainer: HTMLElement;
    protected background: HTMLElement;
    protected container: HTMLElement;
    protected headerContainer: HTMLElement;
    protected headerText: HTMLElement;
    protected body: HTMLElement;
    protected footer: HTMLElement;
    protected spinner: HTMLElement;
    protected closeBtn: HTMLElement;
    protected _closable: boolean;
    constructor(mountEl: HTMLElement | string);
    init(html?: string): void;
    set closable(val: boolean);
    set header(val: string);
    set showBackground(val: boolean);
    set content(val: string);
    toggleCloseBtn(): void;
    closeHandler(): void;
    hideSpinner(): void;
    hide(): void;
    show(): void;
    showSpinner(val: boolean): void;
    prepareBackgroundStyles(): void;
}