src/Module.php
public function onMergeConfig(ModuleEvent $event)
    {
        $listener = $event->getConfigListener();
        $config = $listener->getMergedConfig(false);

        // disable subsplit command if we not in main development
        if (
            isset($config['console'])
            && !$this->isInMainDevelopment()
            && isset($config['console']['router']['routes']['subsplit'])
        ) {
            unset($config['console']['router']['routes']['subsplit']);
        }

        $listener->setMergedConfig($config);
    }
public function onMergeConfig(ModuleEvent $event)
    {
        $listener = $event->getConfigListener();
        $config = $listener->getMergedConfig(false);

        // disable subsplit command if we not in main development
        if (
            isset($config['console'])
            && !$this->isInMainDevelopment()
            && isset($config['console']['router']['routes']['subsplit'])
        ) {
            unset($config['console']['router']['routes']['subsplit']);
        }

        $listener->setMergedConfig($config);
    }
Manipulate configuration
@param ModuleEvent $event