EBU Single Rulebook Q&A 13 May 2019 2019_4705 Net cash out-/inflow from cash settled futures (“ICE Brent Crude futures contract”)

How to calculate the expected liquidity net cash outflow/inflow from a future contract with daily variation margin and an expected final cash settlement? The ICE Brent Crude futures contract is a deliverable contract based on Exchange Futures for Physical (EFP) delivery with an option to cash settle.