code: private function getConfig()
      {
          $yaml = new Parser();
  
          $configFile = getenv('TRAVIS_BUILD_DIR') . '/.travis.yml';
  
          $config = $yaml->parse(file_get_contents($configFile));
          $config = $config['travisdeployer'];
  
          $this->branches = $config['branches'];
          if (count($this->branches) === 0) {
              die('No branches are configured to deploy to.' . PHP_EOL);
          }
  
          $this->verbose = filter_input(FILTER_VALIDATE_BOOLEAN, $config['verbose']);
      }
docs: Parse the config and place them into protected variables