docs: private void addIncludes(DBHandling handling, FileSet fileSet) throws BuildException
      {
          DirectoryScanner scanner  = fileSet.getDirectoryScanner(getProject());
          String[]         files    = scanner.getIncludedFiles();
          StringBuffer     includes = new StringBuffer();
  
          for (int idx = 0; idx < files.length; idx++)
          {
              if (idx > 0)
              {
                  includes.append(",");
              }
              includes.append(files[idx]);
          }
          try
          {
              handling.addDBDefinitionFiles(fileSet.getDir(getProject()).getAbsolutePath(), includes.toString());
          }
          catch (IOException ex)
          {
              throw new BuildException(ex);
          }
      }