* writer will close the target if it is {@link Closeable}, and flushing the writer will flush the
   * target if it is {@link java.io.Flushable}.
   *
   * @param target the object to which output will be sent
   * @return a new Writer object, unless target is a Writer, in which case the target is returned
   */
  public static Writer asWriter(Appendable target) {
    if (target instanceof Writer) {
      return (Writer) target;
    }

   * @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.
   *

Russ Cox <******@****.***> 1410149331 -0400

  /**
   * Returns the number of bytes that will be written to sink in a call to [writeTo],
   * or -1 if that count is unknown.
   */
  @Throws(IOException::class)
  open fun contentLength(): Long = -1L

  /** Writes the content of this request to [sink]. */
  @Throws(IOException::class)
  abstract fun writeTo(sink: BufferedSink)

  /**

	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

            if (item != null && item.isUpdated()) {
                try {
                    writer.write(item.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return item;
                } catch (final IOException e) {
                    throw new DictionaryException("Failed to write: " + item, e);
                }
            }
            return null;
        }

            }
        }

        /**
         * Writes a raw line of text to the temporary file.
         *
         * @param line the line of text to write
         */
        public void write(final String line) {
            try {
                writer.write(line);
                writer.write(Constants.LINE_SEPARATOR);

            if (item != null && item.isUpdated()) {
                try {
                    writer.write(item.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return item;
                } catch (final IOException e) {
                    throw new DictionaryException("Failed to write: " + item, e);
                }
            }
            return null;
        }

				// Check same i
			} else {
				if lri.Writer {
					writers++
				} else {
					readers++
				}
				// Move to next
				i++
			}
		}
		if modified {
			l.lockMap[k] = lris
		}
	}
	t := time.Now()
	l.lastCleanup.Store(&t)
	l.readers.Store(readers)
	l.writers.Store(writers)
}

func newLocker() *localLocker {
	return &localLocker{

}

// Decode reads from readers, reconstructs data if needed and writes the data to the writer.
// A set of preferred drives can be supplied. In that case they will be used and the data reconstructed.
func (e Erasure) Decode(ctx context.Context, writer io.Writer, readers []io.ReaderAt, offset, length, totalLength int64, prefer []bool) (written int64, derr error) {
	if offset < 0 || length < 0 {
		return -1, errInvalidArgument
	}