/**
 * Get an element's owner document. Useful when components are used in iframes
 * or other environments like dev tools.
 *
 * @param element
 */
export declare function getOwnerDocument<T extends Element>(element: T | null | undefined): Document | null;
/**
 * TODO: Remove in 1.0
 */
export declare function getOwnerWindow<T extends Element>(element: T | null | undefined): (Window & typeof globalThis) | null;
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