import React, { type ReactNode } from 'react';
export declare function Heading({ children, className, tag, size, }: {
    children: ReactNode;
    className?: string;
    /**
     * Do not use `span` unless you absolutely need this component's styles
     * without the semantics of a heading tag.
     */
    tag?: 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'span';
    size?: '3xs' | '2xs' | 'xs' | 'sm' | 'base' | 'lg' | 'xl' | '2xl' | '3xl';
}): React.JSX.Element;