interface FocusTrackerOptions {
  onFocusEnter: () => void;
  onFocusLeave: () => void;
}
export default class FocusTracker {
  private node;
  private readonly onFocusLeave;
  private readonly onFocusEnter;
  private readonly controller;
  private currentlyFocused;
  constructor(node: HTMLElement, {
    onFocusEnter,
    onFocusLeave
  }: FocusTrackerOptions);
  initialize(): void;
  destroy(): void;
  private focusInListener;
  private focusOutListener;
  private triggerBlur;
  private triggerFocus;
}
export {};