docs: private static boolean syncWithMaster(final Resource domain, final PathElement hostElement) {
          final Resource host = domain.getChild(hostElement);
          assert host != null;
  
          final Set<String> profiles = new HashSet<>();
          final Set<String> serverGroups = new HashSet<>();
          final Set<String> socketBindings = new HashSet<>();
  
          for (final Resource.ResourceEntry serverConfig : host.getChildren(SERVER_CONFIG)) {
              final ModelNode model = serverConfig.getModel();
              final String group = model.require(GROUP).asString();
              if (!serverGroups.contains(group)) {
                  serverGroups.add(group);
              }
              if (model.hasDefined(SOCKET_BINDING_GROUP)) {
                  processSocketBindingGroup(domain, model.require(SOCKET_BINDING_GROUP).asString(), socketBindings);
              }
  
          }
  
          // process referenced server-groups
          for (final Resource.ResourceEntry serverGroup : domain.getChildren(SERVER_GROUP)) {
              // If we have an unreferenced server-group
              if (!serverGroups.remove(serverGroup.getName())) {
                  return true;
              }
              final ModelNode model = serverGroup.getModel();
  
              final String profile = model.require(PROFILE).asString();
              // Process the profile
              processProfile(domain, profile, profiles);
              // Process the socket-binding-group
              processSocketBindingGroup(domain, model.require(SOCKET_BINDING_GROUP).asString(), socketBindings);
          }
          // If we are missing a server group
          if (!serverGroups.isEmpty()) {
              return true;
          }
          // Process profiles
          for (final Resource.ResourceEntry profile : domain.getChildren(PROFILE)) {
              // We have an unreferenced profile
              if (!profiles.remove(profile.getName())) {
                  return true;
              }
          }
          // We are missing a profile
          if (!profiles.isEmpty()) {
              return true;
          }
          // Process socket-binding groups
          for (final Resource.ResourceEntry socketBindingGroup : domain.getChildren(SOCKET_BINDING_GROUP)) {
              // We have an unreferenced socket-binding group
              if (!socketBindings.remove(socketBindingGroup.getName())) {
                  return true;
              }
          }
          // We are missing a socket-binding group
          if (!socketBindings.isEmpty()) {
              return true;
          }
          // Looks good!
          return false;
      }