public unsafe override int GetByteCount(char* chars, int count, EncoderNLS baseEncoder)
{
// Just need to ASSERT, this is called by something else internal that checked parameters already
Debug.Assert(count >= 0, "[ISO2022Encoding.GetByteCount]count is negative");
Debug.Assert(chars != null, "[ISO2022Encoding.GetByteCount]chars is null");
// Just call GetBytes with null byte* to get count
return GetBytes(chars, count, null, 0, baseEncoder);
}