void (@NotNull VirtualFile file, @NotNull Int2ObjectMap<VirtualFile> id2File) { VfsUtilCore.visitChildrenRecursively(file, new VirtualFileVisitor<Void>() { @Override public boolean visitFile(@NotNull VirtualFile file) { ProgressManager.checkCanceled(); if (file instanceof VirtualFileWithId) { id2File.put(((VirtualFileWithId)file).getId(), file); } return !file.isDirectory() || FileBasedIndexImpl.isMock(file) || ManagingFS.getInstance().wereChildrenAccessed(file); } @Override public Iterable<VirtualFile> getChildrenIterable(@NotNull VirtualFile file) { return file instanceof NewVirtualFile ? ((NewVirtualFile)file).iterInDbChildren() : null; } }); }