internal override sealed uint GetBlobIndex(MetaDataOut md)
{
if (addedToBlobHeap != md) {
MemoryStream str = new MemoryStream();
BinaryWriter bw = new BinaryWriter(str);
Write(bw);
blobIndex = md.AddToBlobHeap(str.ToArray());
addedToBlobHeap = md;
}
return blobIndex;
}