code: public static CollisionFormulaConfig imports(Media config)
      {
          final Xml root = new Xml(config);
          final Map<String, CollisionFormula> collisions = new HashMap<>(0);
  
          for (final Xml node : root.getChildren(NODE_FORMULA))
          {
              final String name = node.readString(ATT_NAME);
              final CollisionFormula collision = createCollision(node);
              collisions.put(name, collision);
          }
  
          return new CollisionFormulaConfig(collisions);
      }
docs: Create the formula data from node.
  
  @param config The collision formulas descriptor (must not be <code>null</code>).
  @return The collision formula data.
  @throws LionEngineException If error when reading data.