export default MemoizedEquationEditorToolbar; declare const MemoizedEquationEditorToolbar: React.MemoExoticComponent; declare function EquationEditorToolbar(props: any): React.JSX.Element; declare namespace EquationEditorToolbar { namespace propTypes { let executeCommand: PropTypes.Validator<(...args: any[]) => any>; } } import React from 'react'; import PropTypes from 'prop-types';