private static boolean isEmptyArray(@Nullable PsiExpression argument) {
    if (argument instanceof PsiReferenceExpression) {
      final PsiElement element = ((PsiReferenceExpression)argument).resolve();
      if (!(element instanceof PsiField)) return false;
      return CollectionUtils.isConstantEmptyArray((PsiField)element);
    }
    return ConstructionUtils.isEmptyArrayInitializer(argument);
  }
private static boolean isEmptyArray(@Nullable PsiExpression argument)