private void AddForeignKey(INamedTypeSymbol fkType, string fkName, DataSet <ModelMapper.ForeignKeyEntry> entries)
{
var document = ModelMapper.AddForeignKey(fkType, fkName, entries);
TryApplyChanges(document);
NavigatableMarker = ModelMapper.CreateNavigatableMarker(ModelMapper.NodeKind.ForeignKey, ModelMapper.ModelType, fkName);
}
