public function defaultCommands()
    {
        return [
            'server' => [
                'class' => ServerCommand::class,
            ],
            'server:start' => [
                'class' => ServerStartCommand::class,
            ],
            'server:stop' => [
                'class' => ServerStopCommand::class,
            ],
            'server:restart' => [
                'class' => ServerRestartCommand::class,
            ],
            'server:reload' => [
                'class' => ServerReloadCommand::class,
            ],
            'server:serve' => [
                'class' => ServerServeCommand::class,
            ],
            'shell' => [
                'class' => ShellCommand::class,
            ],
            'service:install' => [
                'class' => ServiceInstallCommand::class,
            ],
            'service:uninstall' => [
                'class' => ServiceUninstallCommand::class,
            ],
        ];
    }