code: @NonNull
      public static DeleteResult newInstance(
              int numberOfRowsDeleted,
              @NonNull Set<String> affectedTables,
              @Nullable Collection<String> affectedTags
      ) {
          return new DeleteResult(numberOfRowsDeleted, affectedTables, nonNullSet(affectedTags));
      }
docs: Creates new instance of immutable container for results of Delete Operation.
  
  @param numberOfRowsDeleted number of rows that were deleted.
  @param affectedTables      tables that were affected.
  @param affectedTags        notification tags that were affected.
  @return new instance of immutable container for result of Delete Operation.