public override void ToBuffer(ref TSMessagePackWriter writer)
 {
     writer.WriteByte(Tag);
     if (ISO_639_Language_Infos != null)
     {
         writer.Skip(1, out int DescriptorLengthPosition);
         foreach (var item in ISO_639_Language_Infos)
         {
             writer.WriteUInt3(item.ISO_639_Language_Code >> 8);
             writer.WriteByte(item.Audio_Type);
         }
         writer.WriteByteReturn((byte)(writer.GetCurrentPosition() - DescriptorLengthPosition - 1), DescriptorLengthPosition);
     }
     else
     {
         writer.WriteByte(0);
     }
 }