public void writeToChannel(WritableByteChannel channel) throws IOException {
channel.write(ByteBuffer.wrap(new byte[] {version}));
channel.write(ByteBuffer.wrap(Ints.toByteArray(totalSize)));
channel.write(ByteBuffer.wrap(Ints.toByteArray(sizePer)));
channel.write(ByteBuffer.wrap(new byte[] {compression.getId()}));
baseLongBuffers.writeToChannel(channel);
}
