import * as React from 'react';
/**
 * Gets all children by specified type or that have a descendant node in their lineage which match the specified type
 *
 * @since v2.6.0
 * @template T
 * @template TC
 * @param {T} children - JSX children
 * @param {TC | TC[]} types - Types of children to match
 * @param {GetChildrenWithDescendantByTypeConfig} [config={ customTypeKey: '__TYPE' }] - The configuration params
 * @returns {T[]} - All children that match the specified type or have a descendant which matches the specified type
 * @example
 * // Finds all root children that are of type or have a descendant of type ToDo (custom component), div, or React Fragment
 * getChildrenWithDescendantByType(children, ['ToDo', 'div', 'react.fragment']);
 *
 * // Finds all root children that are of type or have a descendant of type MyComponent (custom component - full component passed in), a div, and React Fragment
 * import MyComponent from './MyComponent';
 * getChildrenWithDescendantByType(children, [MyComponent, 'div', 'react.fragment']);
 *
 * // Finds all root children that are of type or have a descendant of type ToDo (custom component) with a customized {customTypeKey}
 * getChildrenWithDescendantByType(children, ['ToDo'], { customTypeKey: 'myTypeKey' });
 */
export declare const getChildrenWithDescendantByType: <T = React.ReactNode, TC = unknown>(children: T, types: TC | TC[], { customTypeKey }?: GetChildrenWithDescendantByTypeConfig) => T[];
export declare type GetChildrenWithDescendantByTypeConfig = {
    customTypeKey?: string;
};