First concept

node_modules/next/dist/build/turborepo-access-trace/env.d.ts

@@ -0,0 +1,9 @@
+import type { EnvVars, RestoreOriginalFunction } from './types';
+/**
+ * Proxy the environment to track environment variables keys that
+ * are accessed during the build.
+ *
+ * @param envVars A set to track environment variable keys that are accessed.
+ * @returns A function that restores the original environment.
+ */
+export declare function envProxy(envVars: EnvVars): RestoreOriginalFunction;