code: @VisibleForTesting
    static void outputConfigToFile(Config config) throws IOException {
      // If a file path is specified then write the Azkaban config to that path in HOCON format.
      // This can be used to generate an application.conf file to pass to the yarn app master and containers.
      if (config.hasPath(AZKABAN_CONFIG_OUTPUT_PATH)) {
        File configFile = new File(config.getString(AZKABAN_CONFIG_OUTPUT_PATH));
        File parentDir = configFile.getParentFile();
  
        if (parentDir != null && !parentDir.exists()) {
          if (!parentDir.mkdirs()) {
            throw new IOException("Error creating directories for " + parentDir);
          }
        }
  
        ConfigRenderOptions configRenderOptions = ConfigRenderOptions.defaults();
        configRenderOptions = configRenderOptions.setComments(false);
        configRenderOptions = configRenderOptions.setOriginComments(false);
        configRenderOptions = configRenderOptions.setFormatted(true);
        configRenderOptions = configRenderOptions.setJson(false);
  
        String renderedConfig = config.root().render(configRenderOptions);
  
        FileUtils.writeStringToFile(configFile, renderedConfig, Charsets.UTF_8);
      }
    }
docs: Write the config to the file specified with the config key {@value AZKABAN_CONFIG_OUTPUT_PATH} if it
  is configured.
  @param config the config to output
  @throws IOException