typedef NS_ENUM(NSInteger, LTAnnObjectChangedType) { 
 LTAnnObjectChangedTypeNone = 0,  
 LTAnnObjectChangedTypeBringToFront = 1,  
 LTAnnObjectChangedTypeSendToBack = 2,  
 LTAnnObjectChangedTypeDeleted = 3,  
 LTAnnObjectChangedTypeLock = 4,  
 LTAnnObjectChangedTypeUnlock = 5,  
 LTAnnObjectChangedTypePaste = 6,  
 LTAnnObjectChangedTypeFlip = 7,  
 LTAnnObjectChangedTypeRealizeRedaction = 8,  
 LTAnnObjectChangedTypeRestoreRedaction = 9,  
 LTAnnObjectChangedTypeApplyEncryptor = 10,  
 LTAnnObjectChangedTypeApplyDecryptor = 11,  
 LTAnnObjectChangedTypeName = 12,  
 LTAnnObjectChangedTypeHyperlink = 13,  
 LTAnnObjectChangedTypeText = 14,  
 LTAnnObjectChangedTypePicture = 15,  
 LTAnnObjectChangedTypePictures = 16,  
 LTAnnObjectChangedTypeRuler = 17,  
 LTAnnObjectChangedTypeStroke = 18,  
 LTAnnObjectChangedTypeFill = 19,  
 LTAnnObjectChangedTypeFont = 20,  
 LTAnnObjectChangedTypeEncrypt = 21,  
 LTAnnObjectChangedTypePolygon = 22,  
 LTAnnObjectChangedTypeCurve = 23,  
 LTAnnObjectChangedTypeProtractor = 24,  
 LTAnnObjectChangedTypeRubberStamp = 25,  
 LTAnnObjectChangedTypePoint = 26,  
 LTAnnObjectChangedTypeAudio = 27,  
 LTAnnObjectChangedTypeControlPoints = 28,  
 LTAnnObjectChangedTypeHilite = 29,  
 LTAnnObjectChangedTypeDesignerDraw = 30,  
 LTAnnObjectChangedTypeDesignerEdit = 31,  
 LTAnnObjectChangedTypeResetRotatePoints = 32,  
 LTAnnObjectChangedTypeFixed = 33,  
 LTAnnObjectChangedTypeAdded = 34,  
 LTAnnObjectChangedTypeModified = 35,  
 LTAnnObjectChangedTypeMetadata = 36,  
 
}; 
 
class AnnObjectChangedType(Enum): 
   None = 0 
   BringToFront = 1 
   SendToBack = 2 
   Deleted = 3 
   Lock = 4 
   Unlock = 5 
   Paste = 6 
   Flip = 7 
   RealizeRedaction = 8 
   RestoreRedaction = 9 
   ApplyEncryptor = 10 
   ApplyDecryptor = 11 
   Name = 12 
   Hyperlink = 13 
   Text = 14 
   Picture = 15 
   Pictures = 16 
   Ruler = 17 
   Stroke = 18 
   Fill = 19 
   Font = 20 
   Encrypt = 21 
   Polygon = 22 
   Curve = 23 
   Protractor = 24 
   RubberStamp = 25 
   Point = 26 
   Audio = 27 
   Thumbs = 28 
   Hilite = 29 
   DesignerDraw = 30 
   DesignerEdit = 31 
   ResetRotatePoints = 32 
   Fixed = 33 
   Added = 34 
   Modified = 35 
   Metadata = 36