@Override
  protected void performAdding(final @NotNull Collection<VirtualFile> addedFiles,
                               final @NotNull Map<VirtualFile, VirtualFile> copyFromMap) {
    // copied files (copyFromMap) are ignored, because they are included into added files.
    performAdding(map(addedFiles, VcsUtil::getFilePath));
  }
@Override
  protected void performAdding(final @NotNull Collection<VirtualFile> addedFiles,
                               final @NotNull Map<VirtualFile, VirtualFile> copyFromMap)