(ctor) HintItem( Serial serial )
      (ctor) HintItem( int itemID, int range, int warning, int hint )
      (ctor) HintItem( int itemID, int range, string warning, string hint )
      int HintNumber( get; set; )
      string HintString( get; set; )
      bool OnlyToTriggerer( get; )
      virtual void Deserialize( GenericReader reader )
      virtual void OnDoubleClick( Mobile from )
      virtual void Serialize( GenericWriter writer )