@Override
  public @NotNull VirtualFile copyFile(Object requestor, @NotNull VirtualFile vFile, @NotNull VirtualFile newParent, @NotNull String copyName) throws IOException {
    throw unsupported("copyFile", vFile);
  }
@Override
  public @NotNull VirtualFile copyFile(Object requestor, @NotNull VirtualFile vFile, @NotNull VirtualFile newParent, @NotNull String copyName)