@class NSMutableDictionary, NSString, LSApplicationWorkspace, NSObject; @protocol OS_dispatch_queue; @interface MTApplicationWorkspaceObserver : NSObject <LSApplicationWorkspaceObserverProtocol> @property (class, readonly, nonatomic) MTApplicationWorkspaceObserver *sharedWorkspaceObserver; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *observerQueue; @property (retain, nonatomic) LSApplicationWorkspace *applicationWorkspace; @property (retain, nonatomic) NSMutableDictionary *observersForBundleID; @property (nonatomic, getter=isObserving) BOOL observing; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)applicationsDidInstall:(id)a0; - (void)applicationsDidUninstall:(id)a0; - (id)init; - (void)removeObserver:(id)a0; - (void)addObserver:(id)a0 forBundleIdentifier:(id)a1; - (BOOL)isApplicationInstalledForBundleIdentifier:(id)a0; - (BOOL)isApplicationInstalledForBundleIdentifier:(id)a0 allowPlaceholder:(BOOL)a1; - (void).cxx_destruct; @end