code: public String getMinDateLastModified() {
  
          if (m_searchParams.getMinDateLastModified() == Long.MIN_VALUE) {
              return "";
          }
          return Long.toString(m_searchParams.getMinDateLastModified());
      }
docs: Returns the last modification date the resources have to have as minimum.<p>
  
  @return the last modification date the resources have to have as minimum