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What are Server Actions in Next.js?

What are route groups in Next.js App Router?

What is the Edge Runtime in Next.js?

What is the difference between Edge Runtime and Node.js Runtime?

What are parallel routes in Next.js?

What are intercepting routes in Next.js?

What is Streaming in Next.js?

What is the Metadata API in Next.js App Router?

What is generateMetadata function used for?

What is the purpose of _app.tsx in Pages Router?

What is the purpose of _document.tsx in Pages Router?

How should you handle authentication in Next.js?

What is the usePathname hook used for in App Router?

What is the useSearchParams hook used for?

What is the purpose of not-found.tsx in App Router?