docs: public void recordSubsystemVersions(String moduleName, ModelNode subsystems) {
          final Map<String, SubsystemInformation> subsystemsInfo = getAvailableSubsystems(moduleName);
          if(subsystemsInfo != null && ! subsystemsInfo.isEmpty()) {
              for(final Map.Entry<String, SubsystemInformation> entry : subsystemsInfo.entrySet()) {
                  SubsystemInformation subsystem = entry.getValue();
                  subsystems.add(entry.getKey(),
                          subsystem.getManagementInterfaceMajorVersion() + "."
                          + subsystem.getManagementInterfaceMinorVersion()
                          + "." + subsystem.getManagementInterfaceMicroVersion());
              }
          }
      }