// mirror_mgr = new Xob_mirror_mgr(Gfo_usr_dlg_.Noop, new Xof_download_wkr_test(), Bry_.new_a7("mem/http/enwiki"), Bry_.new_a7("mem/http/enwiki/wiki/Main_Page"), Io_url_.new_dir_("mem/fsys"));
// mirror_mgr = new Xob_mirror_mgr(Gfo_usr_dlg_.Noop, new Xof_download_wkr_mock(), Bry_.new_a7("mem/http/enwiki"), Bry_.new_a7("mem/http/enwiki/wiki/Main_Page"), Io_url_.new_dir_("mem/fsys"));