{...}: {
  age.secrets = {
    # captcha = {
    #   file = ./secrets/matrix_captcha.age;
    #   group = "matrix-synapse";
    #   mode = "770";
    # };
    airvpn-params = {
      file = ./secrets/airvpn_wireguard_key_env.age;
      mode = "700";
    };
  };
}