@NotNull
    @Override
    protected DiffContent createRemote(@NotNull ContentRevision fileRevision) throws IOException, VcsException {
      if (myFileStillExists) {
        return super.createRemote(fileRevision);
      }
      else {
        return DiffContentFactory.getInstance().createEmpty();
      }
    }
@NotNull
    @Override
    protected DiffContent createRemote(@NotNull ContentRevision fileRevision)