@interface PXPhotoKitMessagesAssetActionManager : PXPhotoKitAssetActionManager + (id)assetActionManagerWithCMMSession:(id)a0; - (unsigned long long)presentationSource; - (id)_selectionSnapshotForPerformerClass:(Class)a0 applySubsetIfNeeded:(BOOL)a1; - (void)px_registerAdditionalPerformerClasses; @end