type HeadingProps = {
    level?: LevelProps;
    as?: 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'span' | 'div';
    children: React$1.ReactNode;
    withMarginBottom?: boolean;
} & React$1.HTMLAttributes<HTMLHeadingElement>;