r := NewReader(rw)
		if _, err := r.WriteTo(rw); err != rw.expected {
			t.Errorf("r.WriteTo(errorWriterToTests[%d]) = _, %v, want _,%v", i, err, rw.expected)
		}
	}
}

func TestWriterReadFrom(t *testing.T) {
	ws := []func(io.Writer) io.Writer{
		func(w io.Writer) io.Writer { return onlyWriter{w} },
		func(w io.Writer) io.Writer { return w },
	}

	rs := []func(io.Reader) io.Reader{

	i := copy(b2, b)
	return b2[:i]
}

// WriteTo writes data to w until the buffer is drained or an error occurs.
// The return value n is the number of bytes written; it always fits into an
// int, but it is int64 to match the [io.WriterTo] interface. Any error
// encountered during the write is also returned.
func (b *Buffer) WriteTo(w io.Writer) (n int64, err error) {
	b.lastRead = opInvalid

}

// NewSDSWriter generates a new instance which conforms to SDSWriter interface
func NewSDSWriter(w io.Writer, format Format) SDSWriter {
	return &sdsWriter{
		w:      w,
		output: format,
	}
}

// sdsWriter is provided concrete implementation of SDSWriter
type sdsWriter struct {
	w      io.Writer
	output Format
}

	"io"
	"strings"
	"unicode/utf8"

	"github.com/fatih/color"
)

type ColoredTableWriter struct {
	writer     io.Writer
	header     Row
	rows       []Row
	addRowFunc func(obj interface{}) Row
}

func NewStyleWriter(writer io.Writer) *ColoredTableWriter {
	return &ColoredTableWriter{
		writer: writer,
		rows:   make([]Row, 0),
		header: Row{},
	}
}

type BuildRowFunc func(obj interface{}) Row

                        writer.writeln(s + "\\");
                    } else {
                        writer.writeln(s);
                    }
                }
            } else {
                writer.writeProperty(key, storage.get(key));
            }
        }
        if (footer != null) {
            for (String s : footer) {
                writer.writeln(s);
            }
        }

     * @throws IOException If the model could not be serialized.
     */
    void write(File output, Map<String, Object> options, Model model) throws IOException;

    /**
     * Writes the supplied model to the specified character writer. The writer will be automatically closed before the
     * method returns.
     *
     * @param output The writer to serialize the model to, must not be {@code null}.

     * @throws IOException If the settings could not be serialized.
     */
    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}.

  }

  /**
   * Writes all the given bytes to this sink.
   *
   * @throws IOException if an I/O occurs while writing to this sink
   */
  public void write(byte[] bytes) throws IOException {
    checkNotNull(bytes);

    try (OutputStream out = openStream()) {
      out.write(bytes);
    }
  }

  /**

   * @since 15.0 (in 14.0 with return type {@link BufferedWriter})
   */
  public Writer openBufferedStream() throws IOException {
    Writer writer = openStream();
    return (writer instanceof BufferedWriter)
        ? (BufferedWriter) writer
        : new BufferedWriter(writer);
  }

  /**
   * Writes the given character sequence to this sink.
   *

 */
@Deprecated(since = "4.0.0")
public interface ToolchainsWriter {

    /**
     * Writes the supplied toolchains to the specified character writer. The writer will be automatically closed before
     * the method returns.
     *
     * @param output The writer to serialize the toolchains to, must not be {@code null}.