code: public void setPaths(String paths) {
                  if (paths != null && paths.trim().length() > 0) {
                          String[] pathArray = paths.split(",");
                          pathList.addAll(Arrays.asList(pathArray));
                  }
          }
docs: If paths are set, only these paths are affected by the cleaning.
  
  @antdoc.notrequired
  @param paths the paths to set