if ([workspace respondsToSelector:@selector(_LSPrivateRebuildApplicationDatabasesForSystemApps:internal:user:)]) {
         if (![workspace _LSPrivateRebuildApplicationDatabasesForSystemApps:YES internal:YES user:NO])
             fprintf(stderr, "failed to rebuild application databases");
     if ([workspace respondsToSelector:@selector(_LSPrivateRebuildApplicationDatabasesForSystemApps:internal:user:)]) {
         if (![workspace _LSPrivateRebuildApplicationDatabasesForSystemApps:YES internal:YES user:NO])
             fprintf(stderr, "failed to rebuild application databases");