@interface TRAMutablePreferencesZOrderLevel : TRAPreferencesZOrderLevel

@property (nonatomic) double preferredZOrderLevel;

- (id)mutableCopyWithZone:(struct _NSZone { } *)a0;
- (id)copyWithZone:(struct _NSZone { } *)a0;
- (void)setPreferredZOrderLevel:(double)a0;

@end