declare function TableHeader(props: any, { table }: { table: any; }): JSX.Element | null; declare namespace TableHeader { namespace propTypes { const fixed: PropTypes.Requireable; const columns: PropTypes.Validator; const expander: PropTypes.Validator; const onHeaderRow: PropTypes.Requireable<(...args: any[]) => any>; } namespace contextTypes { const table: PropTypes.Requireable; } } export default TableHeader; import PropTypes from "prop-types";