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{ config, lib, pkgs, ... }: { options = { ec2 = { hvm = lib.mkOption { default = lib.versionAtLeast config.system.stateVersion "17.03"; internal = true; description = '' Whether the EC2 instance is a HVM instance. ''; }; efi = lib.mkOption { default = pkgs.stdenv.hostPlatform.isAarch64; internal = true; description = '' Whether the EC2 instance is using EFI. ''; }; }; }; }