@interface TRAMutablePreferencesZOrderLevel : TRAPreferencesZOrderLevel
@property (nonatomic) double preferredZOrderLevel;
- (id)mutableCopyWithZone:(struct _NSZone { } *)a0;
- (id)copyWithZone:(struct _NSZone { } *)a0;
- (void)setPreferredZOrderLevel:(double)a0;
@end