loggingRouter.flush();
    }

    private static class StartableLoggingRouter implements Stoppable {
        private final LoggingRouter loggingRouter;
        private LogLevel level;
        private LoggingSystem.Snapshot originalState;
        private Runnable consoleAttachment;

        StartableLoggingRouter(LoggingRouter loggingRouter) {
            this.loggingRouter = loggingRouter;
        }

Class <org.gradle.internal.logging.services.DefaultLoggingManager$StartableLoggingRouter> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (DefaultLoggingManager.java:0)