anchor.diff:        };
   
         configItems = mkOption {
  -        default = {};
  +        default = { };
           type = types.attrsOf types.str;
           example = literalExample ''
             {
  
positive.code: 
    inherit (builtins) concatStringsSep;
  
    config_file_content = lib.generators.toKeyValue {} cfg.configItems;
    config_file = pkgs.writeText "rabbitmq.conf" config_file_content;
  
    advanced_config_file = pkgs.writeText "advanced.config" cfg.config;
  
  in {
    ###### interface
    options = {
      services.rabbitmq = {
  
negative.code:       };
  
        plugins = mkOption {
          default = [ ];
          type = types.listOf types.str;
          description = "The names of plugins to enable";
        };
  
        pluginDirs = mkOption {
          default = [ ];
          type = types.listOf types.path;
          description = "The list of directories containing external plugins";
        };
  