import React from 'react';
export declare const toTitleCase: (str: string) => string;
export declare const isReactFragment: (node: React.ReactNode) => boolean;
export declare const isValidAndNotFragment: (node: React.ReactNode) => boolean;
export declare const wrapWithElementIfInvalid: ({ node, wrapper, props, }: {
    node: React.ReactNode;
    wrapper: React.ReactElement;
    props?: any;
}) => React.ReactElement<any, string | React.JSXElementConstructor<any>>;