If they have any sense they'll spend it all on properly supporting what they already have. More uniformed people, more pay for those people, more fuel and training hours for the aircraft, more weapons for the stockpiles, more aircraft to replace (not add to) the ones being flown way beyond assumed rates. In other words, make a decisive break with the fetishisation of 'best practices' around outsourcing and supply chain modernisation, both of which have had their weaknesses exposed in industry these past few years and were always of doubtful applicability to the armed forces.
Trouble is, none of that looks like an increase in capability for the money. There's no prizes for delivering sustainability. A couple of brand new, unsupported aircraft under a sham squadron numberplate it is, then ...