docs: public static void register() {
          if (Main.isUnitTest && JENKINS_LOC == null) {
              mockOff();
              return;
          }
          ClassFilter.setDefault(new ClassFilterImpl());
          if (SUPPRESS_ALL) {
              LOGGER.warning("All class filtering suppressed. Your Jenkins installation is at risk from known attacks. See https://jenkins.io/redirect/class-filter/");
          } else if (SUPPRESS_WHITELIST) {
              LOGGER.warning("JEP-200 class filtering by whitelist suppressed. Your Jenkins installation may be at risk. See https://jenkins.io/redirect/class-filter/");
          }
      }