import type { ButtonHTMLAttributes, FC, Ref } from 'react';
export interface BannerCloseProps extends Omit<ButtonHTMLAttributes<HTMLButtonElement>, 'children'> {
    ref?: Ref<HTMLButtonElement>;
    /** Callback when the close button is clicked */
    onClick?: () => void;
}
/**
 * Close button for Banner.
 *
 * Renders an outline icon button (white background with a border) and a "Close"
 * tooltip. The same style is used across all variants — it stays legible on both
 * the light variants and the dark primary banner.
 */
export declare const BannerClose: FC<BannerCloseProps>;