@class NSMutableArray; @protocol PXStoryChapterCollection; @interface PXStoryChapterCollectionManager : PXObservable <PXStoryMutableChapterCollectionManager> @property (copy, nonatomic) id /* block */ pendingCompletionHandler; @property (retain, nonatomic) NSMutableArray *pendingEdits; @property (retain, nonatomic) id<PXStoryChapterCollection> chapterCollection; - (id)init; - (void)didPerformChanges; - (void).cxx_destruct; - (void)performChanges:(id /* block */)a0 completionHandler:(id /* block */)a1; - (BOOL)applyEditTransaction:(id)a0 error:(id *)a1; - (void)deleteAllChapters; - (void)deleteChapterWithIdentifier:(id)a0; - (void)editChapterWithIdentifier:(id)a0 changeRequest:(id /* block */)a1; - (id)initWithChapterCollection:(id)a0; - (void)insertChapterWithFirstAsset:(id)a0 configuration:(id /* block */)a1; @end