Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
 partial void DeleteSegmentType(SegmentType instance);
 partial void UpdateSegmentType(SegmentType instance);
 partial void InsertSegmentType(SegmentType instance);
 partial void DeleteSegmentType(SegmentType instance);
 partial void UpdateSegmentType(SegmentType instance);
 partial void InsertSegmentType(SegmentType instance);