anchor.diff:  
         configFile = mkOption {
           type = types.uniq types.path;
  -        default = "${pulseaudio}/etc/pulse/default.pa";
  +        default = "${cfg.package}/etc/pulse/default.pa";
           description = ''
             The path to the configuration the PulseAudio server
             should use. By default, the "default.pa" configuration
  
positive.code:       security.rtkit.enable = true;
      })
  
      (mkIf (cfg.enable && !cfg.systemWide) {
        environment.etc = singleton {
          target = "pulse/default.pa";
          source = cfg.configFile;
        };
      })
  
      (mkIf (cfg.enable && cfg.systemWide) {
        users.extraUsers.pulse = {
          # For some reason, PulseAudio wants UID == GID.
          uid = assert uid == gid; uid;
          group = "pulse";
          extraGroups = [ "audio" ];
          description = "PulseAudio system service user";
          home = pulseRuntimePath;
        };
  
        users.extraGroups.pulse.gid = gid;
  
negative.code:           features (such as JACK support) that are not enabled in the
            default PulseAudio in Nixpkgs.
          '';
        };
  
        daemon = {
          logLevel = mkOption {
            type = types.str;
            default = "notice";
            description = ''
              The log level that the system-wide pulseaudio daemon should use,
              if activated.
            '';
          };
        };
      };
  
  