@class NUComposition, NUCompositionSourceDefinition;
@interface NUCompositionSource : NUSource {
NUCompositionSourceDefinition *_sourceDefinition;
}
@property (readonly, nonatomic) NUComposition *composition;
- (id)init;
- (id)initWithComposition:(id)a0;
- (void).cxx_destruct;
- (id)copyWithZone:(struct _NSZone { } *)a0;
- (id)sourceDefinition:(out id *)a0;
@end