@Nullable
    private static PsiReferenceExpression findNonSynchronizedVolatileFieldRef(PsiExpression expression) {
      expression = PsiUtil.skipParenthesizedExprDown(expression);
      if (!(expression instanceof PsiReferenceExpression reference)) {
        return null;
      }
      final PsiElement referent = reference.resolve();
      if (!(referent instanceof PsiField field)) {
        return null;
      }
      if (!field.hasModifierProperty(PsiModifier.VOLATILE)) {
        return null;
      }
      if (SynchronizationUtil.isInSynchronizedContext(reference)) {
        return null;
      }
      return reference;
    }
@Nullable
    private static PsiReferenceExpression findNonSynchronizedVolatileFieldRef(PsiExpression expression)