export interface State { offsets: { popper: { left: number; top: number; }; }; } export interface IPopper { destroy(): void; onCreate(cb: (state: State) => void): any; onUpdate(cb: (state: State) => void): any; } export interface IPopperConstructor { new (reference: HTMLElement, popper: HTMLElement, options: any): IPopper; } declare var _default: IPopperConstructor; export default _default;