Ameliaranne Ekanasio says there's still a clear gap between New Zealand and Australia.
Currently Kiwi netballers who play across the Tasman are ineligible for the Silver Ferns.
The 2019 World Cup winner has only extended for another two years, but wants to be at the helm for the next tournament.
Dame Noeline guided the NZ women to the world crown in 2019 - but also their worst finish four years later.
As Kelly Jury, she shared the Dame Lois Muir Supreme Award with Grace Nweke last year.
It comes after a run of poor results for the Silver Ferns.
The 32-year-old is currently spending 2024 away from the game in New Zealand.
"I'll do what's right for the Silver Ferns."
Dame Noeline Taurua's side have finished with two wins and two losses in the tournament at Leeds.
The New Zealanders' campaign in Leeds is over after a dramatic finish against the hosts.
"We're being left behind," said Mainland Tactix coach Marianne Delaney-Hoshek.
The NZ women trailed at halftime to the She Cranes.
Debutant Georgia Heffernan joined twin sister Kate in the black dress.
The World Cup-winning coach's contract expires after this month's series in England.
The defender last turned out for her country in 2018.
Neither Sky nor Netball NZ are prepared to comment on their negotiations.
Shooter Maia Wilson, goal attack Tiana Metuarau and midcourt Peta Toeava aren't in the Nations Cup squad.
Dame Noeline Taurua has named an 11-strong squad for what could be her final assignment as NZ coach.
Any contact to the head could result in a minimum of a two-minute suspension.
