public TypeDefBuilder(BuildReferences references, TypeDefMetadataTableRow fromRow)
            {
                _references = references;

                _assembly       = references.Assembly;
                _fromRow        = fromRow;
                _metadata       = references.Metadata;
                _map            = references.Map;
                _metadataStream = _metadata.GetMetadataStream();
            }
 /// <summary>
 /// Source values as every method signature location in the files.
 /// </summary>
 /// <returns></returns>
 public IEnumerable <int> Values()
 {
     MetadataRow[] rows = _metadata.GetMetadataStream().Tables[MetadataTables.MethodDef];
     return(new List <int>()
     {
         // 3 methods picked at random
         (int)((MethodMetadataTableRow)rows[10]).Signiture.Value,
         (int)((MethodMetadataTableRow)rows[70]).Signiture.Value,
         (int)((MethodMetadataTableRow)rows[110]).Signiture.Value
     });
 }