@class NSObject; @protocol OS_dispatch_queue; @interface MCMDataProtectionManager : NSObject @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *protectionOperationFileQueue; + (id)defaultManager; - (id)init; - (void)setDataProtectionOnDataContainerForMetadata:(id)a0 isSecondOrThirdPartyApp:(BOOL)a1 retryIfLocked:(BOOL)a2 deferUntilNextLaunch:(BOOL)a3 withCompletion:(id /* block */)a4; - (void)_startDataProtectionChangeOperation:(id)a0 withCompletion:(id /* block */)a1; - (BOOL)restartPendingDataProtectionOperationsWithError:(id *)a0; - (int)desiredDataProtectionClassForMetadata:(id)a0 clientIdentity:(id)a1; - (void).cxx_destruct; - (int)intendedDataProtectionClassBasedOnEntitlementsForIdentifier:(id)a0 clientIdentity:(id)a1 containerClass:(unsigned long long)a2 info:(id)a3; @end