private static boolean containsModifiedField(PsiElement @NotNull [] elements, @NotNull Set<PsiVariable> variables) {
    Set<PsiField> fields = StreamEx.of(variables)
      .select(PsiField.class)
      .filter(field -> !field.hasModifierProperty(PsiModifier.FINAL))
      .toSet();

    if (!fields.isEmpty()) {
      FieldModificationVisitor visitor = new FieldModificationVisitor(fields);
      for (PsiElement element : elements) {
        element.accept(visitor);
        if (visitor.myModified) {
          return true;
        }
      }
    }
    return false;
  }
private static boolean containsModifiedField(PsiElement @NotNull [] elements, @NotNull Set<PsiVariable> variables)