///
/// <param name="unit"></param>
public Unit FindParentUnit(Unit unit)
{
return null;
}
///
/// <param name="sourceUnit"></param>
/// <param name="targetUnit"></param>
public void UpdateUnit(Unit sourceUnit, Unit targetUnit)
{
}
///
/// <param name="unit"></param>
/// <param name="parentUnit"></param>
public void AddUnit(Unit unit, Unit parentUnit)
{
}
///
/// <param name="unit"></param>
public void RemoveUnit(Unit unit)
{
}