import { ReactElement, ReactNode } from 'react';
/**
 * Find the first child component with a matching static property
 *
 * **Search Depth:** This function only searches 1 level deep:
 * - Direct children of the provided children
 * - Direct children inside React.Fragment components (1 level of fragment nesting)
 * - Does NOT recursively search nested fragments or deeply nested components
 *
 * **Styled Component Support:** Checks component.target and component.__emotion_base
 * for styled() wrapped components.
 *
 * @example
 * ```ts
 * // ✅ Will find: Direct child
 * findChild(<Foo />, 'isFoo') // <Foo />
 *
 * // ✅ Will find: Child inside a single fragment
 * findChild(<><Foo /></>, 'isFoo') // <Foo />
 *
 * // ❌ Will NOT find: Deeply nested fragments
 * findChild(<><><Foo /></></>, 'isFoo') // undefined
 *
 * // ❌ Will NOT find: Nested in other elements
 * findChild(<div><Foo /></div>, 'isFoo') // undefined
 * ```
 *
 * @param children Any React children
 * @param staticProperty The static property name to check for
 * @returns The first matching ReactElement or undefined if not found
 */
export declare const findChild: (children: ReactNode, staticProperty: string) => ReactElement | undefined;
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