code: private Set<String> getPaths(Map<String, String> params) {
  
          Set<String> result = Sets.newHashSet();
          String paths = params.get(CmsPublishOptions.PARAM_FILES);
          if (paths != null) {
              result.addAll(CmsStringUtil.splitAsList(paths, "|"));
          }
          return result;
      }
docs: Gets the set of site paths from the publish parameters.<p>
  
  @param params the publish parameters
  
  @return the set of site paths