import { ReactNode } from 'react';
/**
 * Converts a React node to its string representation by extracting all text content.
 *
 * @param node - The React node to convert to text
 * @returns The text content of the node. Returns an empty string if the node is null, undefined, or boolean.
 *
 * @example
 * ```tsx
 * reactNodeToText("Hello") // "Hello"
 * reactNodeToText(42) // "42"
 * reactNodeToText(<div>Hello World</div>) // "Hello World"
 * reactNodeToText([<span>A</span>, <span>B</span>]) // "AB"
 * ```
 */
export declare const reactNodeToText: (node: ReactNode) => string;