anchor.diff:  [source,java]
   ----
   @Property                                                       // <.>
  +@RequiredArgsConstructor                                        // <.>
   public class DocumentHolder_mostRecentDocument {
   
       private final DocumentHolder holder;
  -    public DocumentHolderDocuments(DocumentHolder holder) {     // <.>
  -        this.holder = holder;
  -    }
   
       public Document prop() {                                    // <.>
           ...
  
positive.code: [source,java]
  ----
  @Collection                                                     // <.>
  public class DocumentHolder_documents {
  
      private final DocumentHolder holder;
      public DocumentHolderDocuments(DocumentHolder holder) {     // <.>
          this.holder = holder;
      }
  
      public List<Document> coll() {                              // <.>
          ...
  
negative.code: [source,java]
  ----
  @Action                                                         // <.>
  @RequiredArgsConstructor                                        // <.>
  public class DocumentHolder_addDocument {
  
      private final DocumentHolder holder;
  
      public Document> act(Document doc) {                        // <.>
          ...
  