assertArgumentNotNull("props", props);
        assertArgumentNotNull("writer", writer);

        try {
            props.store(writer, comments);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * 指定のエンコーディングでファイルを書き出して{@link Properties}をストアします（例外処理はラップします）。
     *

    assertFalse(source.wasStreamClosed());

    StringWriter writer = new StringWriter();
    char[] buf = new char[64];
    int read;
    while ((read = reader.read(buf)) != -1) {
      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

    assertTrue(source.wasStreamClosed());
    assertEquals(STRING, writer.toString());
  }

  public void testLines() throws IOException {

func (r *Record) Raw() (sql.SelectObjectFormat, interface{}) {
	return r.SelectFormat, r.KVS
}

// WriteJSON - encodes to JSON data.
func (r *Record) WriteJSON(writer io.Writer) error {
	return json.NewEncoder(writer).Encode(r.KVS)
}

// Replace the underlying buffer of json data.
func (r *Record) Replace(k interface{}) error {
	v, ok := k.(jstream.KVS)
	if !ok {

	return sql.SelectFmtSIMDJSON, r.object
}

// WriteJSON - encodes to JSON data.
func (r *Record) WriteJSON(writer io.Writer) error {
	o := r.object
	elems, err := o.Parse(nil)
	if err != nil {
		return err
	}
	b, err := elems.MarshalJSON()
	if err != nil {
		return err
	}
	n, err := writer.Write(b)
	if err != nil {
		return err
	}
	if n != len(b) {
		return io.ErrShortWrite
	}

	FileNameFunc func() string

	// Compress specify if you want the logs to be compressed after rotation.
	Compress bool
}

// Writer is a concurrency-safe writer with file rotation.
type Writer struct {
	// opts are the configuration options for this Writer
	opts Options

	// f is the currently open file used for appends.
	// Writes to f are only synchronized once Close() is called,

    /**
     * Method write.
     *
     * @param writer a writer object.
     * @param model a model object.
     * @throws IOException java.io.IOException if any.
     */
    public void write(Writer writer, Model model) throws IOException {
        super.write(writer, model);
    } // -- void write( Writer, Model )

    /**
     * Method write.
     *
     * @param stream a stream object.

    void write(File output, Map<String, Object> options, Settings settings) throws IOException;

    /**
     * Writes the supplied settings to the specified character writer. The writer will be automatically closed before
     * the method returns.
     *
     * @param output The writer to serialize the settings to, must not be {@code null}.
     * @param options The options to use for serialization, may be {@code null} to use the default values.

     * .
     *
     * @throws IOException
     */
    @Test
    public void testStorePropertiesWriterString() throws IOException {
        final Properties outProperties = new Properties();
        outProperties.setProperty("a", "A");
        final File file = tempFolder.newFile("hoge.properties");
        final Writer writer = WriterUtil.create(file);

        Files.createDirectories(dest.getParent());
        try (Writer w = Files.newBufferedWriter(dest)) {
            MavenStaxWriter writer = new MavenStaxWriter();
            writer.setNamespace(String.format(NAMESPACE_FORMAT, version));
            writer.setSchemaLocation(String.format(SCHEMA_LOCATION_FORMAT, version));
            writer.setAddLocationInformation(false);
            writer.write(w, model);
        }
    }

    Reader reader = source.openStream();

    StringWriter writer = new StringWriter();
    char[] buf = new char[64];
    int read;
    while ((read = reader.read(buf)) != -1) {
      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

    assertExpectedString(writer.toString());
  }

  public void testOpenBufferedStream() throws IOException {