46 async function traverse(dir, files = new SafeMap(), symbolicLinks = new SafeSet()) {  argument
55     files.set(f, file);
61       ArrayPrototypePush(subdirectories, traverse(f, files));
67   return files;
73   #files = new SafeMap();  field in FSWatcher
116     for (const file of this.#files.keys()) {
120     this.#files.clear();
130     for (const filename of this.#files.keys()) {
141       const files = await opendir(folder);
143       for await (const file of files) {
150         if (!this.#files.has(f)) {
160             this.#files.set(f, file);
179     const existingStat = this.#files.get(file);
189       this.#files.set(file, currentStats);
193         this.#files.delete(file);
220         this.#files.set(filename, file);
223           traverse(filename, this.#files, this.#symbolicFiles),
225             for (const f of this.#files.keys()) {
243     this.#files.forEach((file) => {
251     this.#files.forEach((file) => {