public void WrapForEncode(Car parentMessage, DirectBuffer buffer, int count)
{
_parentMessage = parentMessage;
_buffer = buffer;
_dimensions.Wrap(buffer, parentMessage.Limit, _actingVersion);
_dimensions.BlockLength = (ushort)6;
_dimensions.NumInGroup = (byte)count;
_index = -1;
_count = count;
_blockLength = 6;
parentMessage.Limit = parentMessage.Limit + SbeHeaderSize;
}