@Override
  public @NotNull String buildErrorString(Object... infos) {
    final PsiClass superClass = (PsiClass)infos[0];
    final PsiClass aClass = (PsiClass)infos[1];
    if (aClass instanceof PsiAnonymousClass) {
      return InspectionGadgetsBundle.message("anonymous.extends.concrete.collection.problem.descriptor", superClass.getQualifiedName());
    } else {
      return InspectionGadgetsBundle.message("extends.concrete.collection.problem.descriptor", superClass.getQualifiedName());
    }
  }
@Override
  public @NotNull String buildErrorString(Object... infos)