public Configuration(File file) {

    super(new HashMap<String, Object>());

    yaml = new Yaml(new SafeConstructor(), new EmptyNullRepresenter(), options);

    this.file = file;

  }

            // whew.

            keyspaces.add(rks);

        }

       

        /* Use a block YAML arrangement */

        SkipNullRepresenter representer = new SkipNullRepresenter();

        /* Use Tag.MAP to avoid the class name being included as global tag */

        representer.addClassTag(RawColumnFamily.class, Tag.MAP);

        representer.addClassTag(Keyspaces.class, Tag.MAP);

        representer.addClassTag(ColumnDefinition.class, Tag.MAP);

   }

   protected List<?> loadYamlData(final Reader io) throws IOException {

      final Yaml yaml = new Yaml(new Constructor(), new Representer(),

      final Object loadedYaml = yaml.load(io);

      if (loadedYaml instanceof ArrayList) {

         return (ArrayList<?>) loadedYaml;

      }

    }

    @JRubyMethod(visibility = PRIVATE)

    public IRubyObject initialize(ThreadContext context, IRubyObject io) {

        options.setIndent(2);

        this.io = io;

        return context.nil;

        IRubyObject width     = rbOptions.callMethod(context, "line_width");

        IRubyObject canonical = rbOptions.callMethod(context, "canonical");

        IRubyObject level     = rbOptions.callMethod(context, "indentation");

        options.setCanonical(canonical.isTrue());

        options.setIndent((int)level.convertToInteger().getLongValue());

        options.setWidth((int)width.convertToInteger().getLongValue());

    super(file);

    this.file = file;

    // make config files look nicer

    yaml = new Yaml(new SafeConstructor(), rep, options);

  }

    super(file);

    this.file = file;

    // make config files look nicer

    yaml = new Yaml(rep, options);

  }

            // whew.

            keyspaces.add(rks);

        }

       

        /* Use a block YAML arrangement */

        SkipNullRepresenter representer = new SkipNullRepresenter();

        /* Use Tag.MAP to avoid the class name being included as global tag */

        representer.addClassTag(RawColumnFamily.class, Tag.MAP);

        representer.addClassTag(Keyspaces.class, Tag.MAP);

        representer.addClassTag(ColumnDefinition.class, Tag.MAP);

  private static Map<String, Object> loadPubspecYamlInfo(final @NotNull String pubspecYamlFileContents) {

    // see com.google.dart.tools.core.utilities.yaml.PubYamlUtils#parsePubspecYamlToMap()

    // deprecated constructor used to be compatible with old snakeyaml version in testng.jar (it wins when running from sources or tests)

    //noinspection deprecation

      @Override

      protected void addImplicitResolvers() {

        addImplicitResolver(Tag.NULL, NULL, "~nN\0");

        addImplicitResolver(Tag.NULL, EMPTY, null);

        addImplicitResolver(Tag.VALUE, VALUE, "=");

  public Configuration(File file) {

    super(new HashMap<String, Object>());

    yaml = new Yaml(new SafeConstructor(), new Representer(), options);

    this.file = file;

  }