/**
 * @jsxRuntime classic
 * @jsx jsx
 */
import { type FC } from 'react';
import { type PopupProps } from './types';
/**
 * Top-layer implementation of Popup.
 *
 * Replaces the legacy @atlaskit/popup rendering pipeline
 * (Popper.js + Portal + focus-trap + @atlaskit/layering)
 * with the native Popover API + CSS Anchor Positioning via @atlaskit/top-layer.
 *
 * Gated behind the `platform-dst-top-layer` feature flag.
 */
export declare const PopupTopLayer: FC<PopupProps>;