/** * This hook observes mutations in the document's head * When styled-components, which has already been initialized, is re-added to the head, for example `document.head.innerHTML += ''`, the styles may not render correctly. * Therefore, the target is moved to the body tag. * Similarly, the issue could also rise in below cases and the hook handles them accordingly: * - If styles are removed from , re-add to head if head exists or switch to . * This is a short-term solution, and in the long run, we plan to remove styled-components altogether. * */ export declare function useStyledComponentsTarget(): HTMLHeadElement;