@Override
  @ApiStatus.Internal
  public @NotNull List<? extends ChildInfo> listAll(@NotNull VirtualFile file) {
    int id = getFileId(file);
    return areChildrenLoaded(id)
           ? vfsPeer.list(id).children
           : persistAllChildren(file, id);
  }
@Override
  @ApiStatus.Internal
  public @NotNull List<? extends ChildInfo> listAll(@NotNull VirtualFile file)