nixos-combined-flake/modules/nixvim/plugins/trouble.nix

{
  plugins.trouble.enable = true;
  keymaps = [
    {
      key = "<leader>xx";
      action = "<cmd>Trouble diagnostics toggle<CR>";
      options = {
        silent = true;
      };
    }
    {
      key = "<leader>xq";
      action = "<cmd>TroubleToggle quickfix toggle<CR>";
      options = {
        silent = true;
      };
    }
  ];
}