@Nullable
  private static TextRange getEllipsisRange(GrVariable variable) {
    if (variable instanceof GrParameter) {
      final PsiElement dots = ((GrParameter)variable).getEllipsisDots();
      if (dots != null) {
        return dots.getTextRange();
      }
    }
    return null;
  }
@Nullable
  private static TextRange getEllipsisRange(GrVariable variable)