code: protected Path getPublisherOutputDir(WorkUnitState workUnitState, int branchId) {
      return WriterUtils.getDataPublisherFinalDir(workUnitState, this.numBranches, branchId);
    }
docs: Get the output directory path this {@link BaseDataPublisher} will write to.
  
  <p>
  This is the default implementation. Subclasses of {@link BaseDataPublisher} may override this
  to write to a custom directory or write using a custom directory structure or naming pattern.
  </p>
  
  @param workUnitState a {@link WorkUnitState} object
  @param branchId the fork branch ID
  @return the output directory path this {@link BaseDataPublisher} will write to