/**
 * @internal
 */
export declare const mockResizeObserverEntry: ResizeObserverEntry;
/**
 * @internal
 */
export declare const mockResizeObserverHandle: {
    callback: ResizeObserverCallback;
    emit: (entries: ResizeObserverEntry[], observer?: ResizeObserver) => void;
};
/**
 * @internal
 */
export declare function mockResizeObserver(): void;