    enum JoinKind { INIT, EXACT_TOKENS_IN_FOR_BPT_OUT, TOKEN_IN_FOR_EXACT_BPT_OUT }
uint256[] memory minAmountsOut = new uint256[](poolTokens.length);
        for (uint256 i = 0; i < poolTokens.length; i++) {
            if (poolTokens[i] == address(wrappedNative)) {
                minAmountsOut[i] = amount;
                index = int256(i);
            } else {
                minAmountsOut[i] = 0;
            }
        }

        IBalancerVault.ExitPoolRequest memory exitRequest;
        exitRequest.assets = poolTokens;
        exitRequest.minAmountsOut = minAmountsOut;
        exitRequest.toInternalBalance = false;
        exitRequest.userData = abi.encode(
            2,
            exitRequest.minAmountsOut,
            pool.balanceOf(address(this))
        );
        enum ExitKind { EXACT_BPT_IN_FOR_ONE_TOKEN_OUT, EXACT_BPT_IN_FOR_TOKENS_OUT, BPT_IN_FOR_EXACT_TOKENS_OUT }
