private void process(PsiExpression anchor, PsiExpression rhs) {
      rhs = PsiUtil.skipParenthesizedExprDown(rhs);
      if (!ShiftUtils.isPowerOfTwo(rhs)) return;
      final PsiType type = anchor.getType();
      if (type == null || !ClassUtils.isIntegral(type)) return;
      registerError(anchor, anchor);
    }
private void process(PsiExpression anchor, PsiExpression rhs)