code: public static Map<String, PathData> imports(Configurer configurer)
      {
          Check.notNull(configurer);
  
          final Xml root = configurer.getRoot();
          if (!root.hasChild(NODE_PATHFINDABLE))
          {
              return Collections.emptyMap();
          }
  
          final Map<String, PathData> categories = new HashMap<>(0);
          final Xml nodePathfindable = root.getChild(NODE_PATHFINDABLE);
  
          for (final Xml nodePath : nodePathfindable.getChildren(NODE_PATH))
          {
              final PathData data = importPathData(nodePath);
              categories.put(data.getName(), data);
          }
  
          return categories;
      }
docs: Import the pathfindable data from node.
  
  @param configurer The configurer reference (must not be <code>null</code>).
  @return The pathfindable data.
  @throws LionEngineException If unable to read node.