Issue: vanilla-extract-css/vanilla-extract#374
Related problem on Stackoverflow https://stackoverflow.com/questions/78471919/how-to-debug-webpack-cache-packfilecachestrategy-serializing-big-strings-in
Mantine doc guide: https://mantine.dev/guides/next/#app-router-tree-shaking
Experimental docs: https://nextjs.org/docs/app/api-reference/next-config-js/optimizePackageImports
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