export declare class PopoverOptions { backgroundColor: string | undefined; showOnHover: boolean | undefined; showOnElementClick: boolean | undefined; placement: string | undefined; content: string | undefined; hideOnClick: boolean | undefined; onHide: any; } export default class Popover { constructor(documentElement: Document, options?: PopoverOptions, element?: HTMLElement); private getOptionsFromDataset; private initAllPopovers; initPopover(element: HTMLElement, options: PopoverOptions | null): void; }