public ImportProperty <TDomain, TProp, TContext> .Builder Prop <TProp>(Expression <Func <TDomain, TProp> > expression, string fieldName = null)
{
var p = new ImportProperty <TDomain, TProp, TContext>(expression, fieldName);
Properties.Add(p);
return(new ImportProperty <TDomain, TProp, TContext> .Builder(p));
}
public Builder(ImportProperty <TDomain, TProp, TContext> property)
{
p = property;
}