@class NSString, NSMutableDictionary, NSObject; @protocol OS_dispatch_queue, DDSTrialManagerDelegate, DDSTrialManagerDataSource; @interface DDSTrialManager : NSObject <DDSTrialClientDelegate, DDSTrialManager> @property (readonly) NSObject<OS_dispatch_queue> *workQueue; @property (readonly) id<DDSTrialManagerDataSource> dataSource; @property (readonly) NSMutableDictionary *trialClientByQuery; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @property (weak) id<DDSTrialManagerDelegate> delegate; - (void)setUpTrialForQuery:(id)a0; - (void).cxx_destruct; - (void)fetchTrialAssetForQuery:(id)a0 callback:(id /* block */)a1; - (id)initWithWorkQueue:(id)a0; - (id)initWithWorkQueue:(id)a0 dataSource:(id)a1; - (void)trialClient:(id)a0 didReceiveAsset:(id)a1; - (void)trialClientDidStop:(id)a0; @end