CFUserNotificationCreateRunLoopSource.m

		if (err) {
			const CFTypeRef keys[] = {
				kCFUserNotificationAlertHeaderKey,
				kCFUserNotificationAlertMessageKey,
				kCFUserNotificationDefaultButtonTitleKey,
			};
			const CFTypeRef values[] = {
				CFSTR("System files missing!"),
				CFSTR("RocketBootstrap has detected that your SimulateCrash crash reporting daemon is missing or disabled.\nThis daemon is required for proper operation of packages that depend on RocketBootstrap."),
				CFSTR("OK"),
			};
			CFDictionaryRef dict = CFDictionaryCreate(kCFAllocatorDefault, (const void **)keys, (const void **)values, sizeof(keys) / sizeof(*keys), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
			SInt32 err = 0;
			CFUserNotificationRef notification = CFUserNotificationCreate(kCFAllocatorDefault, 0.0, kCFUserNotificationPlainAlertLevel, &err, dict);
			CFRunLoopSourceRef runLoopSource = CFUserNotificationCreateRunLoopSource(kCFAllocatorDefault, notification, SanityCheckNotificationCallback, 0);
			CFRunLoopAddSource(CFRunLoopGetMain(), runLoopSource, kCFRunLoopCommonModes);
			CFRelease(dict);
		}