@class NSObject; @protocol WorkspaceObserverDelegate, LSApplicationWorkspaceObserverProtocol; @interface WorkspaceObserver : LSApplicationWorkspaceObserver { NSObject<LSApplicationWorkspaceObserverProtocol> *_delegate; } @property (nonatomic) NSObject<WorkspaceObserverDelegate> *delegate; - (void)startObserving; - (void)applicationsDidInstall:(id)a0; - (void)applicationsDidUninstall:(id)a0; - (void)stopObserving; - (void)applicationsWillInstall:(id)a0; - (void)applicationsWillUninstall:(id)a0; - (void).cxx_destruct; @end