@class SYDocumentWorkflowsClient, NSObject; @protocol OS_dispatch_queue; @interface SYDocumentWorkflowsActivityChangeHandler : NSObject { NSObject<OS_dispatch_queue> *_retryQueue; SYDocumentWorkflowsClient *_client; } + (id)_indexKeyFromUserActivity:(id)a0; - (id)init; - (void).cxx_destruct; - (void)_fetchAttributesForItemsWithIndexKeys:(id)a0 maxRetryCount:(long long)a1 completion:(id /* block */)a2; - (BOOL)canHandleUserActivityChange:(id)a0 appStateObserver:(id)a1; - (void)handleActiveUserActivityChange:(id)a0 withCompletion:(id /* block */)a1; @end