src/NodePub/Common/Yaml/YamlConfigurationProvider.php
protected function save()
    {
        $yaml = Yaml::dump($this->config, 2);
        file_put_contents($this->filePath, $yaml);
    }
protected function save()
    {
        $yaml = Yaml::dump($this->config, 2);
        file_put_contents($this->filePath, $yaml);
    }
Saves the current configuration array to the configuration yaml file