code: protected void increment() {
  
          if (m_number < 1999999999999L) {
              m_number += (long)Math.pow(1000.0, (4 - m_dots));
              setVersion(m_number);
          } else {
              throw new CmsRuntimeException(Messages.get().container(Messages.ERR_MODULE_VERSION_NUMBER_0));
          }
      }
docs: Increments this version number by 1 in the last digit.<p>