anchor.diff:          <option>homebrew.cleanup</option> is set to <literal>"uninstall"</literal>
           or <literal>"zap"</literal> (this is currently a limitation of Homebrew Bundle).
   
  -        For more information on <command>mas</command> see: https://github.com/mas-cli/mas
  +        For more information on <command>mas</command> see: https://github.com/mas-cli/mas.
         '';
       };
   
  
positive.code:         Brewfile are left installed.
  
          When set to <literal>"uninstall"</literal>, <command>nix-darwin</command> invokes
          <command>brew bundle install</command> with the <command>--cleanup</command> flag. This
          uninstalls all formulas not listed in generate Brewfile, i.e.,
          <command>brew uninstall</command> is run for those formulas.
  
          When set to <literal>"zap"</literal>, <command>nix-darwin</command> invokes
          <command>brew bundle install</command> with the <command>--cleanup --zap</command>
          flags. This uninstalls all forumalas not listed in the generated Brewfile, and if the
          formula is a cask, removes all files associated with the cask. In other words,
          <command>brew uninstall --zap</command> is run for all those formulas.
  
          If you plan on exclusively using <command>nix-darwin</command> to manage formulas installed
  
negative.code:       '';
      };
  
      taps = mkOption {
        type = with types; listOf str;
        default = [];
        example = [ "homebrew/cask-fonts" ];
        description = "Homebrew formula repositories to tap.";
      };
  
      brews = mkOption {
        type = with types; listOf str;
        default = [];
        example = [ "mas" ];
        description = "Homebrew brews to install.";
      };
  
      casks = mkOption {
        type = with types; listOf str;
        default = [];
        example = [ "hammerspoon" "virtualbox" ];
        description = "Homebrew casks to install.";
      };
  
      masApps = mkOption {
        type = with types; attrsOf ints.positive;
        default = {};
        example = {
          "1Password" = 1107421413;
  