public static void CopyFieldsFrom <L, G>(this ICopyFrom <L, G> c, G rhs, G def)
where L : class, G
where G : class
{
c.CopyFieldsFrom(rhs, def: def, cmds: null);
}
public static void CopyFieldsFrom <L, G>(this ICopyFrom <L, G> c, G rhs, NotifyingFireParameters?cmds = null)
where L : class, G
where G : class
{
c.CopyFieldsFrom(rhs, def: null, cmds: cmds);
}