Convert to C# looses spell conditions

For ehample, i have some spell with condition:

        <FightClassCondition>
          <ContionType>IsSpellUsable</ContionType>
          <Param xsi:type="FightClassConditionStringBool">
            <Name>Shadow Word: Death</Name>
            <Need>true</Need>
          </Param>
        </FightClassCondition>

after convert to C# this condition is looks like this

SpellManager.SpellUsableLUA("")