import * as React from "react";
export type FixedPanelProps = {
    /**
     * If `false`, it is outside of viewport.
     */
    isOpen: boolean;
    placement?: "top" | "bottom";
    /**
     * Unit: `px`
     * Define distance from top/bottom.
     */
    offset?: number;
    children?: React.ReactNode;
};
declare const FixedPanel: React.ForwardRefExoticComponent<FixedPanelProps & React.RefAttributes<HTMLDivElement>>;
export default FixedPanel;