/** * `useServerInsertedHTML` exists at runtime in Next.js App Router / React 18.3+ client builds, * but some `@types/react` releases omit it. Augment `react` so local `tsc` and tooling match runtime. * * @see https://react.dev/reference/react-dom/server/useServerInsertedHTML */ import type { ReactNode } from 'react'; declare module 'react' { export function useServerInsertedHTML(callback: () => ReactNode | null): void; } export {};