@class NSString, NSISVariable; @interface NSISPlaybackOperationVariableDelegate : NSObject @property (retain) NSISVariable *variable; @property (copy) NSString *variableDescription; @property (copy) NSString *markedConstraintDescription; @property BOOL variableIsUserObservable; @property int orientationHint; - (void)dealloc; - (BOOL)nsis_valueOfVariableIsUserObservable:(id)a0; - (int)nsis_orientationHintForVariable:(id)a0; - (void)nsis_valueOfVariable:(id)a0 didChangeInEngine:(id)a1; - (id)description; - (id)firstItem; - (id)nsis_descriptionOfVariable:(id)a0; - (void)_addToEngine:(id)a0; - (id)secondItem; @end