import React from 'react';
/**
 * Performs a regex search and returns a partitioning around the matching substring: [pre, match, post]
 *
 * @param text: string to search
 * @param pattern: RegExp patten
 * @param length (optional): provide a max length for the matching substring
 *
 * @return string[]
 */
export declare function partitionText(text: string, pattern: RegExp, length?: number): string[];
/**
 * Returns the combined text of all descendant strings
 *
 * @param node: a component props object
 *
 * @return string
 */
export declare function getCombinedChildText(node: React.PropsWithChildren<{}> | null): string;
/**
 * Perform a regex search on all text found in a component's descendants
 *
 * @param text
 * @param node
 *
 * @return boolean
 */
export declare function propsSearch(text?: string | null, node?: React.PropsWithChildren<{}> | null): boolean;