@NotNull
    @Override
    protected FilePathHolder createHolderForVcs(@NotNull Project project, @NotNull AbstractVcs vcs) {
      VcsManagedFilesHolder.Provider provider = VcsManagedFilesHolder.VCS_UNVERSIONED_FILES_HOLDER_EP
        .findFirstSafe(project, ep -> ep.getVcs().equals(vcs));
      if (provider != null) {
        return provider.createHolder();
      }
      else {
        return new FilePathHolderImpl(project);
      }
    }
@NotNull
    @Override
    protected FilePathHolder createHolderForVcs(@NotNull Project project, @NotNull AbstractVcs vcs)