The exact provisions would obviously need to be resolved between the two states.
However, the broad issues that are being looked at are some of the key principles that have been outlined for decades, in some cases, but certainly have been reiterated in recent statements, including in Granada. These are about mutual recognition of each other's sovereignty and territorial integrity, self-determination and the non-use of force.
Part of the process would clearly need to be agreements on a process for delimiting the border between the two countries as well as resolving the resulting territorial disputes around the exact nature of where the border is.
There would likewise need to be efforts to come up with a mechanism to address claims of compensation for the losses suffered by victims, most likely going back all the way to the 1990s conflicts, up until and including what we have seen in recent weeks.