code: public static LauncherConfig imports(Xml node)
      {
          Check.notNull(node);
  
          final Collection<Xml> children = node.getChildren(LaunchableConfig.NODE_LAUNCHABLE);
          final Collection<LaunchableConfig> launchables = new ArrayList<>(children.size());
  
          for (final Xml launchable : children)
          {
              launchables.add(LaunchableConfig.imports(launchable));
          }
  
          final int level = node.readInteger(0, ATT_RATE);
          final int rate = node.readInteger(ATT_RATE);
  
          return new LauncherConfig(level, rate, launchables);
      }
docs: Import the launcher data from node.
  
  @param node The node reference (must not be <code>null</code>).
  @return The launcher data.
  @throws LionEngineException If unable to read node.