internal override sealed void BuildTables(MetaDataOut md)
{
Type[] types = meth.GetParTypes();
if (types != null)
for (int i=0; i < types.Length; i++)
types[i].BuildMDTables(md);
types = meth.GetOptParTypes();
if (types != null)
for (int i=0; i < types.Length; i++)
types[i].BuildMDTables(md);
}