@Override
  public @NotNull VirtualFile copyFile(Object requestor,
                                       @NotNull VirtualFile file,
                                       @NotNull VirtualFile newParent,
                                       @NotNull String copyName) throws IOException {
    return VfsUtilCore.copyFile(requestor, file, newParent, copyName);
  }
@Override
  public @NotNull VirtualFile copyFile(Object requestor,
                                       @NotNull VirtualFile file,
                                       @NotNull VirtualFile newParent,
                                       @NotNull String copyName)