anchor.diff:  
   interface
   
  -uses IniFiles, Block, Menus, AreaDb, SysUtils, Classes,
  +uses IniFiles, Block, Menus, AreaDb, SysUtils, Classes, JsonDataObjects,
     IdContext, StrUtils, Area, Generics.Collections;
   
   type
  
positive.code: 
  /// /////////////////////////////////////////////////////////////////////////////
  
  end.// unit
  
negative.code: 
      function GetSettings(): TBlkLinkerSettings;
      procedure SetSettings(data: TBlkLinkerSettings);
  
      procedure GetPtData(json: TJsonObject; includeState: Boolean); override;
      procedure GetPtState(json: TJsonObject); override;
  
      procedure ApproveRequest();
      function CanZTS(): Boolean;
  