{
  povSelf,
  config,
  lib,
  ...
}:
let
  inherit (lib) types;
  cfg = lib.getAttrFromPath povSelf config;

in
{

  options = {
    enable = {
      type = types.bool;
      default = false;
    };
    avoid = {
      type = types.listOf types.str;
      default = [ ];
    };
    prefer = {
      type = types.listOf types.str;
      default = [ ];
    };
  };

  config = lib.mkIf cfg.enable {
    services.earlyoom = {
      enable = true;
      enableNotifications = true;
      extraArgs =
        [
          "--ignore-root-user"
        ]
        ++ (lib.optionals (cfg.avoid != [ ]) [
          "--avoid"
          "(^|/)(${lib.concatStringsSep "|" cfg.avoid})$"
        ])
        ++ (lib.optionals (cfg.prefer != [ ]) [
          "--prefer"
          "(^|/)(${lib.concatStringsSep "|" cfg.prefer})$"
        ]);
    };
  };

}