I believe this is what is happening but be careful of what is posted here as crews do read this and base isn't closing fully
Summer 2019
TCX will deploy 2x A321 (fact)
the smartlynx aircraft is to be based by Jet2 (rumoured)
understand that TCX holidays will buy some seats on the aircraft
Winter 2019/20
No Based aircraft (rumoured)
flying done by extra flights using Jet2 or TCX Aircraft from other bases or position flighya
Summer 2020
2x A321
the crew have been told the base isn't to close but then who really knows