anchor.diff:        type = meterType;
       };
   
  +    vimMode = mkOption {
  +      type = types.bool;
  +      default = false;
  +      description = "Vim key bindings.";
  +    };
     };
   
     config = mkIf cfg.enable {
  
positive.code:     CGROUP = 112;
      OOM = 113;
      IO_PRIORITY = 114;
    };
  
    # Mapping from names to defaults
  
negative.code:       description = "Count CPUs from 0 instead of 1.";
      };
  
      showCpuUsage = mkOption {
        type = types.bool;
        default = false;
        description = "Show CPU usage frequency.";
      };
  
      showCpuFrequency = mkOption {
        type = types.bool;
        default = false;
        description = "Show CPU frequency.";
      };
  
      updateProcessNames = mkOption {
        type = types.bool;
        default = false;
  