code: public CmsResourceFilter addExcludeTimerange() {
  
          CmsResourceFilter extendedFilter = (CmsResourceFilter)clone();
  
          extendedFilter.m_filterTimerange = false;
          extendedFilter.updateCacheId();
  
          return extendedFilter;
      }
docs: Returns an extended filter to guarantee all filtered resources ignoring the time range (released and not expired) window.<p>
  
  This is the reverse of {@link #addRequireTimerange()}.<p>
  
  @return a filter excluding invalid resources