{...}: {
  programs.nixvim = {
    keymaps = [
      {
        key = "gff";
        mode = "n";
        action = "function() require('telescope').extensions.frecency.frecency() end";
        lua = true;
        options.desc = "activate the frecency file selection";
      }
    ];
    plugins.telescope = {
      extensions.frecency = {
        enable = true;
        settings = {
          show_scores = true;
          db_safe_mode = false;
          default_workspace = "CWD"; # or 'LSP'
        };
      };
    };
  };
}