public static <T> int writeTo(LinkedBuffer buffer, T message, Schema<T> schema)
    {
        if (buffer.start != buffer.offset)
            throw new IllegalArgumentException("Buffer previously used and had not been reset.");

        final YamlOutput output = new YamlOutput(buffer, schema);

        try
        {
            output.tail = YamlOutput.writeTag(
                    schema.messageName(),
                    false,
                    output.sink,
                    output,
                    output.sink.writeByteArray(
                            START_DIRECTIVE,
                            output,
                            buffer));

            schema.writeTo(output, message);
        }
        catch (IOException e)
        {
            throw new RuntimeException("Serializing to a LinkedBuffer threw an IOException " +
                    "(should never happen).", e);
        }

        return output.getSize();
    }
Serializes the {@code message} into the {@link LinkedBuffer}.

@return the total bytes written to the output.
protostuff-yaml/src/main/java/io/protostuff/YamlIOUtil.java