Add TypeScript type declarations for various build and runtime modules

Co-authored-by: rahul.chhabria <[email protected]>

Author: cursoragent

src/@types/third-party.d.ts

@@ -0,0 +1,27 @@
+declare module 'webpack';
+
+declare module 'rollup';
+
+declare module 'rollup/parseAst';
+
+declare module '@farmfe/core';
+
+declare module '@rspack/core';
+
+declare module '@rspack/core/dist/config/types';
+
+declare module 'rolldown';
+
+declare module 'rolldown/dist/types/plugin';
+
+declare module '@spotlightjs/sidecar/constants';
+
+declare module '@sentry/types';
+
+// Provide missing iterator type aliases used in some Next.js type declarations
+// See: node_modules/next/dist/server/web/spec-extension/adapters/headers.d.ts
+//      node_modules/next/dist/compiled/@edge-runtime/cookies/index.d.ts
+// They reference `HeadersIterator` and `MapIterator` which are not globally defined.
+
+type MapIterator<T> = Iterator<T>;
+type HeadersIterator<T> = Iterator<T>;