@Override
    public void visitDocTag(@NotNull PsiDocTag psiDocTag) {
      super.visitDocTag(psiDocTag);
      if (!JCiPUtil.isGuardedByTag(psiDocTag)) {
        return;
      }
      final String guardValue = JCiPUtil.getGuardValue(psiDocTag);
      if ("this".equals(guardValue)) {
        return;
      }
      final PsiClass containingClass = PsiTreeUtil.getParentOfType(psiDocTag, PsiClass.class);
      if (containingClass == null) {
        return;
      }
      final PsiField guardField = containingClass.findFieldByName(guardValue, true);
      if (guardField == null) {
        return;
      }
      if (guardField.hasModifierProperty(PsiModifier.FINAL)) {
        return;
      }
      myHolder.registerProblem(psiDocTag, JavaAnalysisBundle.message("non.final.guarded.by.field.0.loc", guardValue));
    }
@Override
    public void visitDocTag(@NotNull PsiDocTag psiDocTag)