```\n        } else if (p == uint8(Principals.Apwine)) {\n            address futureVault = IAPWineToken(a).futureVault();\n            address interestBearingToken = IAPWineFutureVault(futureVault)\n                .getIBTAddress();\n            IRedeemer(redeemer).approve(interestBearingToken);\n        } else if (p == uint8(Principals.Notional)) {\n```\n